** Assuming you need to redirect in case all of value is null, Group 1 connected to TGT_NULL ( Expression O_FLAG=NULL) For more information, see. As IST is five and half hours ahead of GMT timezone, the oracle conversion of 5.5/24 is added. The output of expression transformation will be Connect a router transformation to expression. I liked it very much, especially the reason for keeping two files (incremental and param). Generate the row numbers using the expression transformation as mentioned above and call the row number generated port as O_count. NOTE: The IICS Input Parameters are represented with $ at starting and the end of the parameter name. The results of the expression must be a character string. The time conversion of to_timestamp(2020-10-23 12:50:17,YYYY-MM-DD HH24:MI:SS)+5.5/24 translates to 2020-10-23 17:50:17. Table of Contents The output of joiner will be Mr. Dinesh specializes in Oracle Discoverer, Oracle OLAP and Oracle Data Warehouse Builder. Use sorter transformation and sort the products data. This is the reason script is needed which helps in retaining the parameter value when no data is processed. Any value. TO_CHAR also converts numeric values to strings. If the start position is a positive number, SUBSTR locates the start position by counting from the beginning of the string. Lets assume the data is not sorted. Joiner transformation condition will be as follows: If you have any issues in solving this problem, please do comment here. The following expression removes the double quotes from web log data for each row in the WEBLOG port: The following expression removes multiple characters for each row in the WEBLOG port: [31/Oct/2000:19:45:46 -0700] "GET /news/index.html HTTP/1.1", 31/Oct/2000:19:45:46 -0700 GET /news/index.html HTTP/1.1, [01/Nov/2000:10:51:31 -0700] "GET /news/index.html HTTP/1.1", 01/Nov/2000:10:51:31 -0700 GET /news/index.html HTTP/1.1. No action required in the aggregator. First of all we need an Expression Transformation where we have all the source table columns and along with that we have another i/o port say seq_num, which gets sequence numbers for each source row from the port NEXTVAL of a Sequence Generator start value 0 and increment by 1. SQLLDR Loading CSV file / Flat file into ORACLE table. If my training does not satisfy you at any point of time, even during the training period, you need not pay the tuition fee. 0: INSTR performs a linguistic string comparison. About Oracle Instructor - Dinesh work as an Oracle Consultant & Instructor, He has over 15+ years of Oracle Implementation experience and recognized expert in Oracle SQL and PLSQL technologies, advanced analytics and Oracle data mining. I have migrated code to production and mapping is running everyday using $lastruntime parameter. As there is no change in the data, no records should be fetched from source. The data is as below. We need to define these options in the Transformations view on mapping tab of the session properties. 3. Only one record is processed as expected. Enter the reason for rejecting the comment. Filter: EMP.MODIFIED_DATE>TO_TIMESTAMP($$MaxDate,YYYY-MM-DD HH24:MI.SSXFF). Step 3:Based on the group map it to different target.The final mapping looks like below. As only selective data is processed the probability of risk involved is reduced. Therefore, if you create an expression that returns the month portion of the date, and pass a date such as Apr 1 1997 00:00:00, GET_DATE_PART returns 4. Here I have used sessstarttime, as it is constant throughout the session run. Pass the output of expression transformation to an aggregator transformation. Integer represents the position of the first character in the. Now we will see some informatica mapping examples for creating the target file name dynamically and load the data. NOTE: The Created_Date and Modified_Date are auto populated in the EMP table. You can also use sequence generator transformation for producing sequence values. 69.How to load unique or distinct records from flat file to target? The following expression removes multiple numbers for each row in the INPUT port: When you want to use a single quote (') in either. The following table describes the arguments for this command: String datatype. again in first target table so on and so forth. A, 1 The following expression removes multiple characters, including the single quote, for each row in the INPUT port: Internationalization and the Transformation Language, Rules and Guidelines for Expression Syntax, Working with Null Values in Boolean Expressions, Julian Day, Modified Julian Day, and the Gregorian Calendar, Difference Between the YY and RR Format Strings, Rules and Guidelines for Date Format Strings. You can enter one or more characters. In expression transformation add a new port as string data type and make it output port. Command Description; CREATE DATABASE DATABASE; Create database: CREATE DATABASE IF NOT EXISTS database1; IF NOT EXISTS let you to instruct MySQL server to check the existence of a database with a similar name prior to creating database. Step 2: In source-Qualifier , go to property and write the SQL query like. Scenario:There is a emp table and from that table insert the data to targt where sal<3000 and reject other rows. You can also enter a text literal enclosed within single quotation marks, for example, 'abc'. In the expression transformation create a counter variable. First take a look at the below data in the source file: I want to load only the last record or footer into the target table. I attended the SQL and PLSQL course class room sessions. 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B, 3 The following expression returns the position of the first character in the string Blue Fin Aqua Center (starting from the last character in the company name): INSTR( COMPANY, 'Blue Fin Aqua Center', -1, 1 ). Variable_count= Variable_count+1 Passes the new character string. Try two FREE CLASS to see for yourself the quality of training. 5, 1. In the aggreagtor, create an output port O_count_of_each_product and write an expression count(product). A new output port should be created as O_total_records in the aggregator and assign O_count port to it. Column A O_count Dummy_output 73.How can we distribute and load n number of Source records equally into two target tables, so that each Enter the script details in the PostProcessing command of the Mapping task and save it. Save the mapping. For the initial run the mapping runs with default value we defined for MaxDate variable which is 1970-01-01 00:00:00.000, In the next step we are calculating the maximum value of the Modified_date field out of all records using. And create a group and fill condition like below. Returns the current date and time on the node hosting the Data Integration Service. We can now observe that the Modified_date is updated for ID 108 in EMP table. You have to click on the button indicated in red color circle to add the special port. There are multiple ways of implementing Incremental data loading in Informatica Cloud and each method has its own advantages. Now let us understand step by step what we have done here. Hence the timezone conversion is mandatory. You can enter any valid transformation expression. Mr. Dinesh specializes in Oracle Discoverer, Oracle OLAP and Oracle Data Warehouse Builder. This port you have to add explicitly. There by it is easy to track the data processed over a particular period of time. Returns the position of a character set in a string, counting from left to right. Then connect this group to one table. 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If completely divisible, i.e. Design the mapping just like an INSERT only mapping, without Lookup, Update Strategy Transformation. The return value is always the datatype specified by this argument. In the expression transformation, the ports are: property to 1 for a series like 1,2,3,4,5,6,7,8.. All Training Sessions are Completely Practical. Replaces characters in a string with a single character, multiple characters, or no character. Explain through mapping flow. e, 5, 5. Now we will see some informatica mapping examples for creating the target file name dynamically and load the data. Replaces characters in a string with a single character, multiple characters, or no character. You can use the same approach to remove the footer record from the source by specifying the filter condition as NEXVAL>1. Go to the Target Designer or Warehouse builder and edit the file definition. B, 1 Now pass the output of expression transformation, aggregator transformation to joiner transformation and join on the products port. As expected no records are read from source. For exp: Select TO_CHAR (hire date, MM/YY) from the employee. You can create a new file only once in a day and can run the session multiple times in the day to load the data. $LastRunTime returns the last time when the task ran successfully. This is how we have to load alternative records into multiple targets. Specify the filter condition as NEXTVAL > 5. Connect the expression transformation to a filter or router. This Parameter_Value field which will be calculated here will be written to a text file. I have a question for the option 2, by using In-Out Parameter. Thanks to Dinesh Sir. C, 1 Service Attributes & Service Types, Creating Services & Managing Services in a Single-Instance Environment, Using Services with Client Applications & Using Services with the Resource Manager, Services and Resource Manager with EM & Using Services with the Scheduler, Using Services with Parallel Operations & Metric Thresholds. Knowledgeable Presenters, Professional Materials, Excellent Support" what else can a person ask for when acquiring a new skill or knowledge to enhance their career. Again in the expression transformation create the same additional ports mentioned above. stores one time historical data with current data. Finally, the transformation expression will be as follows: Greens Technology provides quality learning experience within affordable price. 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This method performs incremental data loading based on the last run time of the task and not the maximum modified date from the source data. It is important to understand that $LastRunTime stores the task last run time. If you pass a decimal, the, The string comparison type, either linguistic or binary, when the. 1. Suppose I want to send three targets. Connect the source qualifier transformation to the expression transformation. Therefore, if you create an expression that returns the month portion of the date, and pass a date such as Apr 1 1997 00:00:00, GET_DATE_PART returns 4. For example, you would enter 2 to search for the second occurrence from the start position. Please post in future too. We are using a sorter to sort the data. 84.Get top 5 records to target without using rank. In the joiner transformation, the join condition will be MySQL Create Table Example. Client Identifier Aggregation and Tracing & Service Performance Views, SQL Statement Processing Phases & Role of the Oracle Optimizer, Identifying Bad SQL, Real Time SQL Monitoring (a 11.1 feature new lesson in NF L-15) & TOP SQL Reports, What Is an Execution Plan? Step 4: In the final step connect the aggregators with the two target tables as follows. Suppose we have a source table and we want to load three target tables based on source rows such that firstrow moves to first target table, second row in second target table, third row in third target table, fourth rowagain in first target table so on and so forth. A, 1, 1 All the 9 records are processed from source and loaded into target as expected and the value written to the flat file target. In that output port write the condition like describe as bellow and then map it in to filename port of target. Create a dummy output port for same expression transformation and assign 1 to that port. 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Connect the source qualifier transformation, NEXTVAL port of sequence generator to the sorter transformation. C, 1, 2 Returns the current date and time on the node hosting the Data Integration Service. 'OrdersOut_'||To_Char(SYSDATE, 'YYYYMMDDHH24MISS')||'.csv' You can also use a dynamic file name in a mapping that contains a Transaction Control transformation to write data to a different target file each time a transaction boundary changes. In the expression transformation, the ports are Next after the Source Qualifier use an Expression transformation and create one output port say CNTR with value CUME (1). The hyphen represents the hyphen of a 9-digit zip code, as in 93930-5407. REPLACECHR searches the input string for the characters you specify and replaces all occurrences of all characters with the new character you specify. You can also check how the MaxDate value varied for each record by opening the CSV file created by the mapping. Drag the source and connect to an expression transformation. IMPLEMENT SLOWLY CHANGING DIMENSION OF TYPE 2 WHICH WILL LOAD CURRENT RECORD IN CURRENT TABLE AND OLD DATA Let us trigger the mapping and see the query fired by Informatica and data processed. The return value is always the datatype specified by this argument. When the data is modified in source table the mapping could still read from parameter file and process as usual. Thanks! Here we have to create the suffix as a number. Send the all ports to a router and make three groups as bellow, mod(NEXTVAL,30) >= 21 and mod(NEXTVAL,30) <= 29 or mod(NEXTVAL,30) = 0, mod(NEXTVAL,30) >= 11 and mod(NEXTVAL,30) <= 20, mod(NEXTVAL,30) >= 1 and mod(NEXTVAL,30) <= 10. Q) How to load only the last N rows from source file into the target table using the mapping in informatica? Scenario:How to generate file name dynamically with name of sys date ? Create an output port O_total_records in the aggregator and assign O_count port to it. 4. This is the entire flow. . We have created an Input-output Parameter which is same as a variable in Informatica Powercenter of type string and we have defined a default value. This is my first job in IT after my studies and i am a bit tensed how things will be after joining in the company. Let us observe the contents of Incremental_loading.txt and Incremental_loading.param after the initial run. So why not use the output text file as parameter file? Under Source select EMP as source object and define the filter as shown below. I must Thank you for such a good and rocking lessons. See the source and target tables below. You can enter any valid transformation expression. Column A o_count o_total_records Drag the source and connect to an expression.Connect the next value port of sequence generator to expression. Let us now create a target table to load the data and observe the incremental changes. To achieve that lets create a simple trigger on that field. You can enter any valid transformation expression. The target structure is also the same but, we have got two tables, one which will contain the NULL records and one which will contain non NULL records. 2. The following table describes the arguments for this command: The string must be a character string. I have again reset the data in the source table and below is the data in EMP table. Awesome efforts and detailed explanation, very helpful. If the start position is a negative number, INSTR locates the start position by counting from the end of the string. In the target transformation select EMP_COPY as target as shown below and map the source fields under Field Mapping section and save the mapping. You can enter any valid transformation expression. B Thank you. Specifies the number of occurrences you want to replace. Record Informatica Domain Information CURRENT_TIMESTAMP. a-z matches all lowercase characters. In the expression transformation create an output port (call it as File_Name) and assign the expression as EMP_||to_char(sessstarttime, YYYYMMDDHH24MISS)||.dat. \d{4} refers to any four numbers, such as 5407. The money invested is well worth the reward. ), Ex:If Deptno=10 then create Target file as DEPT10.txt, If Deptno=20 then create Target file as DEPT20.txt, If Deptno=30 then create Target file as DEPT30.txt, http://informaticachamp.blogspot.in/2014/03/scenario-4-how-to-create-target-files.html. The output of aggregator will be The following expression returns date values for the strings in the DATE_PROMISED port. The parentheses surrounding -\d{4} group this segment of the expression. Let us now create a target table to load the data and observe the incremental changes. Any ETL load process is prone to errors or failing because of multiple reasons. (Insert, Update, Delete), http://informaticachamp.blogspot.in/2014/06/scenario-22-how-to-implement-scd1-along.html, The first table should contain the following output, Informatica 8.x or later versions provides a feature for generating the target files dynamically. Step 1: Source qualifier: get the source table to the mapping area. All our Best Oracle training in Chennai focuses on practical than theory model. After you pass all the required ports to the Aggregator, select all those ports , those you need to I am not completely clear about your query. While working with large data sets in ETL the most efficient way is to process only the data that should be processed which is either newly added or modified since the last run time rather than processing entire data every run. First set Treat Source Rows As property as shown in below image. Because the, The following expression returns the position of the second occurrence of the letter a, starting at the beginning of each company name. Any datatype except Binary. Thank you very much for your sharing! If the start position is a positive number, INSTR locates the start position by counting from the beginning of the string. The position in the string where you want to start counting. In the Definition step provide the name of the mapping task, select the Runtime Environment and click Next. Nupura 5 5. We will use the variable ports to identify the duplicate entries, based on Employee_ID. How to insert first 1 to 10 record in T1, records from 11 to 20 in T2 and 21 to 30 in T3.Then again from 31 to 40 into T1, 41 to 50 in T2 and 51 to 60 in T3 and so on i.e in cyclic order. If you pass a numeric value, the function converts it to a character string. You can enter any valid transformation expression. $LastRunDate returns only the last date on which the task ran successfully. Theory Material provided in Advance!! Then connect to router transformation. Unlike previous method we need to calculate the maximum Modified_Date for each run by implementing a mapping logic and save it in the parameter file which can be used by next run to filter the new and updated records. Lets insert some sample data into the table. a, 1, 5 Step 4:In the first group, the condition should be O_count=1 and connect the corresponding output group to table A. 'OrdersOut_'||To_Char(SYSDATE, 'YYYYMMDDHH24MISS')||'.csv' You can also use a dynamic file name in a mapping that contains a Transaction Control transformation to write data to a different target file each time a transaction boundary changes. We can use the session configurations to update the records. Describe your approach. So, the file names should looks as EMP_1.dat, EMP_2.dat and so on. Split the non-key columns to separate tables with key column in both / How to split the data of source table column-wise with respect to primary key. Table of Contents Save the workflow and run the workflow. Are you sure you want to delete the saved search? D, 1, 1. I would like to know what will be the value of this parameter if the same mapping is migrated again with little modification. Map the records from source to target EMP_COPY and complete the Field Mapping. Index - When to Create an Index, When Not to Create an Index. The format of the returned value depends on the locale of the client machine. In the router transformation create an output group and specify the group condition as o_count=1. A, 1 After you pass all the required ports to the Aggregator, select all those ports , those you need to REPLACESTR searches the input string for all strings you specify and replaces them with the new string you specify. About Oracle Instructor - Dinesh work as an Oracle Consultant & Instructor, He has over 15+ years of Oracle Implementation experience and recognized expert in Oracle SQL and PLSQL technologies, advanced analytics and Oracle data mining. Map the source fields to an Expression transformation. Target Table 1: Table containing all theunique rows, Target Table 2: Table containing all the duplicate rows. Aanchal 1 5 1. se Append If Exists option in the session properties. Step2:Pass the output of expression transformation to aggregator and do not specify any group by condition. Are you sure you want to delete the saved search? If yes copy the flat file (Incremental_loading.txt) as Parameter file (Incremental_loading.param). no remainder, then send them to one target else, send them to the other one. Sort the data in sq based on EmpNo column then Use expression to store previous record information using Var ports after that use router to route the data into targets if it is first time then sent it to first target if it is already inserted then send it to Tartget_2. Dynamic Lookup cache and then router to select only the distinct one. Call itcount_rec to count the key column. The format of the returned value depends on the locale of the client machine. Can we using this option for multiple tables incremental load as we can schedule the mapping using task flows? STEP5:Now connect to the target file definition. Follow the below steps: STPE1:Go the mappings parameters and variables -> Create a new variable, $$COUNT_VAR and its data type should be Integer. Put the source to mapping and connect it to an, MOD(SEQ_NUM,3)=1 connected to 1st target table, MOD(SEQ_NUM,3)=2 connected to 2nd target table, MOD(SEQ_NUM,3)=0 connected to 3rd target table. If the source is DBMS, you can use the property in Source Qualifier to select the distinct records. Therefore, if you create an expression that returns the month portion of the date, and pass a date such as Apr 1 1997 00:00:00, GET_DATE_PART returns 4. Drag the source to mapping and connect it to. Create a parameter file Incremental_loading.param and enter the following text in the file and place it in your parameter file location. Once determined how to treat all rows in the session, we can also set options for individual rows, which gives additional control over how each rows behaves. Let us understand how everything works through a demonstration. Karishma 3 1 Some case we need to apply incremental for hundreds of tables, so by using this solution we need to create hundreds of mapping, so that I want to know whether can we have a dynamic solution like using parameterized mapping then can re-use in the mapping task and task flows. The value you want to return if the condition is TRUE. Informatica and SQL function. The SCD Type 1 methodology overwrites old data with new data, and therefore does not need to track historical data. The data in the oracle table EMP is stored in IST. TO_CHAR Function uses fm element to remove padded blanks or suppress leading zeros. Below is a MySQL example to create a table in database: CREATE TABLE IF NOT EXISTS `MyFlixDB`.`Members` ( `membership_number` INT AUTOINCREMENT , `full_names` VARCHAR(150) NOT NULL , `gender` VARCHAR(6) , `date_of_birth` DATE , `physical_address` VARCHAR(255) , `postal_address` VARCHAR(255) Update as Insert: Insert each row flagged for update. Empty string if REPLACECHR removes all characters in. Product, O_dummy Now we will see how to implement this by reversing the contents of the file. Or you can also use the SQL Override to perform the same. I am glad that I decided to choose Greens Technology for the Oracle course. 72.How do youload alternate records into different tables through mapping flow? Dummy_output=1, The output of this transformation will be : Now we will see some informatica mapping examples for creating the target file name dynamically and load the data. If the source is DBMS, you can use the property in Source Qualifier to select the distinct records. Run the session to see the result. Privacy Policy, Oracle Contact : 8939915577, Conducting regularly online- training for US peoples. 75. Thank you. Update else Insert: Update the row if it exists. B Map the fields from aggregator to an expression transformation. count_rec=1 and in duplicate write count_rec>1. (call it as File_Name) and assign the expression as EMP_||to_char the target flat file name contains the suffix as timestamp.dat. If the source has duplicate records, you can also use Dynamic Lookup cache and then router to select only the distinct one. Are you sure you want to delete the saved search? Let us understand the reason with a demo. The aggregator will return the last row by default. If the start position is 0, INSTR searches from the first character in the string. ProTip: Make sure the field where you assign the Max date value using SETVARIABLES is mapped to one of the field in the target transformation. Also sort the records based on Modified_date so that the record with maximum Modified_date is read at the end. There are several ways to remove duplicates. I want to create a file for each department id and load the appropriate data into the files. When we need to update a huge table with few records and less inserts, we can use this solution to improve the session performance. The output of sorter transformation is shown below: Create another expression transformation and connect the Products port of sorter to expression transformation. Step 5: Connect the output port to target. NULL if a value passed to the function is NULL. The mapping flow and the transformations used are mentioned below: In the above solution, I have used expression transformation for generating numbers. To provide feedback and suggestions, log in with your Informatica credentials. The position in the string where you want to start counting. Create a new mapping and from the Parameter panel in the mapping create an Input-Output Parameter. The parentheses surrounding -\d{4} group this segment of the expression. In the joiner transformation check the property sorted input, then only you can connect both expression and aggregator to joiner transformation. Step:2 In source-Qualifier , go to property and write the SQL query like. \d{5} refers to any five numbers, such as 93930. Step 3: We need another set of aggregator to be associated with each of the expression transformation from the previous step. REPLACECHR searches the input string for the characters you specify and replaces all occurrences of all characters with the new character you specify. In Expression transformation create an output field Parameter_Value and assign value as $$DateFilter=||TO_CHAR(MODIFIED_DATE,YYYY-MM-DD HH24:MI:SS.MS). The aggregator will return the last row by default. The fields Created_date and Modified_date are defaulted to systimestamp meaning whenever a record is created the system timestamp gets inserted automatically for these fields. In Expression transformation create a new field and assign the value as below. Enter a valid TO_CHAR format string. Talk to the Trainer @ +91-89399 15577 Step2: Create a reusable sequence generator having start value 1 and connect the next value to both rank transformations. Command Description; CREATE DATABASE DATABASE; Create database: CREATE DATABASE IF NOT EXISTS database1; IF NOT EXISTS let you to instruct MySQL server to check the existence of a database with a similar name prior to creating database. Must be an integer. Finally run the session. The Lookup Transformation may not perform better as the lookup table size increases and it also degrades the performance. Here, I learnt the Magic of Oracle . That will be very helpful for preparing for interviews. either overwrite the file or append the new data. Step 2: Connect the router transformation to source and in router make 4 groups and give condition like below. O_dummy=1, The output of expression transformation will be O_dummy (port from aggregator transformation) = O_dummy (port from expression transformation), The output of joiner transformation will be Passes the string you want to search. USING clause, JOIN ON clause. The Oracle Certification training program has provided me with the necessary skill sets to prepare me for the corporate world. Scenario :How to get top 5 records to target without using rank ? Create a workflow and session. We are the Leading Oracle real time training institute in Chennai. The file name should contain suffix as numbers (EMP_n.dat). You can now add comments to any guide or article page. The format of the returned value depends on the locale of the client machine. The target should contain only the product Debain. Pass the output to an expression transformation and create a dummy port O_dummy and assign 1 to that port. So the maximum Modified_date value is loaded into the text file by the mapping and the Script copied it to the Parameter file. Group Functions Rules, SUM, MIN, MAX, COUNT, AVG, Filtering Group Results: The HAVING Clause, Single-Row Subqueries- Rules, Operators : = > >= < <= <>, Multi-Row Subqueries- Rules, Operators : IN, ANY , ALL, pagesize, linesize , column heading , column format , colsep, tTitle , bTitle , break on column, spool , CSV file generation, Text file generation, DDL : CREATE, ALTER, RENAME, DROP, TRUNCATE, NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK, Column Level Constraint, Table Level Constraint Naming constraints and usage. The system variable $LastRunTime is stored in GMT timezone. Nupura 5 5, Step 4: After the joiner transformation we can send this output to filter transformation and specify filter condition as O_total_records (port from aggregator)-O_count(port from expression) <=2, The filter condition, as a result, will be ; You can use, Aggregator and select all the ports as key to get the distinct values. TO_CHAR Function formats:TO_CHAR (date, format_model).The format model must be enclosed in single quotation marks and is case sensitive. The requirement of script is explained during demonstration with an example. The following table describes the arguments for this command: Date/Time datatype. CREATE TABLE EMP_COPY( EMPLOYEE_ID NUMBER(6,0), NAME VARCHAR2(20 BYTE), SALARY NUMBER(8,2), DEPARTMENT_ID NUMBER(4,0), IS_ACTIVE VARCHAR2(1 BYTE) Create a flatfile based on the values in a port. If the start position is a positive number, INSTR locates the start position by counting from the beginning of the string. Before starting the mapping I have reset the entire data in EMP table to have a fresh start. Mr. Dinesh specializes in Oracle Discoverer, Oracle OLAP and Oracle Data Warehouse Builder. Its not a normal column .click on the add file name to the table property. The Dynamic Cache can update the cache, as and when it is reading the data. Create the following additional ports and assign the corresponding expressions: Create a router transformation and drag the ports (products, v_count) from expression transformation into the router transformation. MySQL Create Table Example. IICS provides access to following system variables which can be used as a data filter variables to filter newly inserted or updated records. Determines whether the arguments in this function are case sensitive. By default, it creates the source qualifier transformation. Create one new primary key send to target. Replaces characters in a string with another character pattern. The mapping flow and the transformations are shown below: Create a new mapping and drag the source into the mapping. After the Source Qualifier place a Router Transformation. Methods for Viewing Execution Plans & Uses of Execution Plans, DBMS_XPLAN Package: Overview & EXPLAIN PLAN Command, Reading an Execution Plan, Using the V$SQL_PLAN View & Querying the AWR, Functions of the Query Optimizer, Selectivity, Cardinality and Cost & Changing Optimizer Behavior, Using Hints, Optimizer Statistics & Extended Statistics, Controlling the Behavior of the Optimizer with Parameters, Enabling Query Optimizer Features & Influencing the Optimizer Approach, Optimizing SQL Statements, Access Paths & Choosing an Access Path, How the Query Optimizer Chooses Execution Plans for Joins, Real Application Testing: Overview & Use Cases, SQL Performance Analyzer: Process & Capturing the SQL Workload, Creating a SQL Performance Analyzer Task & SPA (NF Lesson 9) DBMS_SQLTUNE.CREATE_TUNING_TASK, Optimizer Upgrade Simulation & SQL Performance Analyzer Task Page, Comparison Report & Comparison Report SQL Detail, Tuning Regressing Statements & Preventing Regressions, Parameter Change Analysis & Guided Workflow Analysis, SQL Performance Analyzer: PL/SQL Example & Data Dictionary Views, Maintaining SQL Performance and Optimizer Statistics & Automated Maintenance Tasks, Statistic Gathering Options & Setting Statistic Preferences, Deferred Statistics Publishing: Overview & Example, Database Replay Workflow in Enterprise Manager, Diagnostic Tools for Tuning the Shared Pool, Sizing the Shared Pool & Avoiding Fragmentation, Data Dictionary Cache & SQL Query Result Cache, Oracle Database Architecture: Buffer Cache, Buffer Cache Performance Symptoms & Solutions, Flushing the Buffer Cache (for Testing Only), Configuring Automatic PGA Memory & Setting PGA_AGGREGATE_TARGET Initially, PGA Target Advice Statistics & Histograms, Automatic PGA and Enterprise Manager & Automatic PGA and AWR Reports, Temporary Tablespace Management: Overview & Monitoring Temporary Tablespace, Temporary Tablespace Shrink & Tablespace Option for Creating Temporary Table, Oracle Database Architecture, Dynamic SGA & Memory Advisories, Granule & Manually Adding Granules to Components, Increasing the Size of an SGA Component, SGA Sizing Parameters & Manually Resizing Dynamic SGA Parameters, Automatic Shared Memory Management & Memory Broker Architecture, Behavior of Auto-Tuned & Manually TunedSGA Parameters, Using the V$PARAMETER View & Resizing SGA_TARGET, Disabling, Configuring & Monitoring Automatic Shared Memory Management (ASMM), Space and Extent Management & Locally Managed Extents, How Table Data Is Stored & Anatomy of a Database Block, Block Allocation, Free Lists & Block Space Management with Free Lists, Migration and Chaining, Shrinking Segments & Table Compression: Overview, I/O Architecture, File System Characteristics, I/O Modes & Direct I/O, Bandwidth Versus Size & Important I/O Metrics for Oracle Databases, I/O Calibration and Enterprise Manager, I/O Calibration and the PL/SQL Interface & I/O Statistics and Enterprise Manager, Best practices identified throughout the course, Summarize the performance tuning methodology, Types of Standby Databases (benefits of each type), Differentiating Between Standby Databases and Data Guard Broker Configuration, Comparing Configuration Management With and Without the Broker, Defining a Data Guard Configuration (overview), Setting up the Broker Configuration Files, Setting the DG_BROKER_START Initialization Parameter to TRUE to start the Data Guard Broker, Adding the Standby Database to the Configuration, Using Enterprise Manager Grid Control to Create a Physical Standby Database, Viewing the Data Guard Configuration Status, Monitoring the Data Guard Configuration by Using Enterprise Manager Grid ControlVerifying the ConfigurationViewing Log File Details, Using Enterprise Manager Data Guard Metrics, Using the DGMGRL SHOW CONFIGURATION Command to Monitor the Configuration, Converting a Physical Standby Database to a Snapshot Standby Database, Activating a Snapshot Standby Database: Issues and Cautions, Viewing Snapshot Standby Database Information, Converting a Snapshot Standby Database to a Physical Standby Database, Enabling Block Change Tracking on a Physical Standby Database, Preparing to Create a Logical Standby Database, Checking for Unsupported Objects , Data Types, and Tables, Creating the Logical Standby Using SQL Commands and Grid Control, Performing a Switchover using DGMGRL and Enterprise Manager, Using Flashback Database Instead of Apply Delay, Flashback Through Standby Database Role Transitions, Configuring Automatic Reinstatement of the Primary Database, Initiating Fast-Start Failover from an Application, Understanding Client Connectivity in a Data Guard Configuration, Preventing Clients from Connecting to the Wrong Database, Creating Services for the Data Guard Configuration Databases, Automating Client Failover in a Data Guard Configuration, Backup and Recovery of a Logical Standby Database, Using the RMAN Recovery Catalog in a Data Guard Configuration, Registering a Database in the Recovery Catalog, Using a Backup to Recover a Data File on the Primary Database, Recovering a Data File on the Standby Database, Upgrading an Oracle Data Guard Broker Configuration, Using SQL Apply to Upgrade the Oracle Database, Performing a Rolling Upgrade by Using SQL Apply, Performing a Rolling Upgrade by Using an Existing Logical Standby Database, Performing a Rolling Upgrade by Creating a New Logical Standby Database, Performing a Rolling Upgrade by Using a Physical Standby Database, Using Enterprise Manager Grid Control to monitor configuration performance, Setting the ReopenSecs and NetTimeout database properties, Adjusting the Number of APPLIER and PREPARER processes. 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