Connected stored procedures run only in normal mode. Guide for oracle stored procedure accelerator informatica. Top 64 informatica interview questions with answers. Powercenter stored procedure transformation youtube. Jan 05, 2014 there are 2 points i want to share here on stored procedures. Sp execution template using powercenter ssg limited. After performing the calculation, the stored procedure returns two output parameters, the amount of tax, and the total cost of the item including the tax. Apr 25, 2014 when should we use etl tools rather than stored procedures for etl process. If you have imported it, this should be set correctly. The second option was to use sp transformation within informatica powercenter.
When i try to import the stored procedure via the transformation designer, it does not display the columns in the result set. That is the distinct advantage over sps, which only works on sql server. Pass parameters to the stored procedure and receive multiple output parameters. Here, we will see several informatica interview questions and answers which will help both freshers and experienced who wish to grab great opportunities with informatica to build their knowledge as well as enable them to clear the interviews. In informatica s powercenter, is it possible to set a parameters value based on the output of a stored procedure. Apr, 2007 pinal dave is a sql server performance tuning expert and an independent consultant. Jan 20, 2011 the top three reasons to use stored procedures would be.
The parameter i want to set is a parameter i defined in a flatfile data object. Nov 03, 2009 after reading through various articles and blend my past experience using stored procedures, here is a summery of advantages and disadvantages of using stored procedures in software solutions. Advantages reduce network usage between clients and servers stored procedures perform intermediate processing on the database server reducing. A mapping parameter is represented in a parameter file which is saved with an extension. Informatica dynamic data masking stored procedure accelerator guide for oracle. Nov 01, 2015 stored procedure transformation is a passive transformation, can be used in both connected and unconnected mode, more details in video.
Informatica provides the stored procedure transformation which is used to run the stored procedures in the database. Informatica powercenter provides multiple transformations, each serving a. The stored procedure transformation sends and receives input and output parameters using ports, variables, or by entering a value in an expression, such as 10 or sales. May 03, 2014 video explains how to drop the indexes on target table using plsql stored proc. We are trying to call sql server stored procedure through stored procedure transformation from informatica. Sql transformation informatica real time scenarios by rc. A stored procedure is a set of structured query language sql statements with an assigned name, which are stored in a relational database management system as a group, so it can be reused and shared by multiple programs. When should we use etl tools rather than stored procedures. Stored procedures offers security features that includes encryption and privilege limits that restrict users from modifying structure of stored procedure. External procedure, lookup, and stored procedure which can be unconnected in a valid mapping a mapping which the integration service can execute. As far as xi is concerned, i have carried out jdbc scenarios and found out some more advantages and disadvantages of using stored procs. Dec 01, 2012 a stored procedure transformation is an important tool for populating and maintaining databases.
A mapping parameter represents a constant value that can be defines before mapping run. When i try to validate the mapping, it fails saying transformation should have an output link. If you manually create the stored procedure, then enter name. Feb 05, 2017 sql transformation is by default an active transformation.
Output transformation informatica real time scenarios by rc. To help you build powerful database applications, stored procedures provide several advantages including better performance, higher productivity, ease of use, and increased scalability. Jul 01, 2005 determine when to use stored procedures vs. He has authored 12 sql server database books, 30 pluralsight courses and has written over 5000 articles on the database technology on his blog at a s. Stored procedures contain a precompiled collection of plsql statements. The stored procedure transformation in informatica helps you to use or call stored procedures inside the informatica workflow. Informatica powercenter includeds following type of repositories. Moreover, all the transactional actions can be easily and efficiently handled via stored procs. Create the stored procedure transformation in the mapping. Informatica transformations informatica tutorial edureka. If a stored procedure returns a result set rather than a single return value, the stored procedure transformation takes only the first value returned from the procedure. We can also use procedure to populate time dimension.
After you finish creating the informatica stored procedure transformation mapping, we have to create the workflow for it. Stored procedure allow greater flexibility than sql statements, etl developers and programmers use stored procedures for various tasks within databases. Stored procedures provide performance benefits through local storage, precompiling the code, and caching. This example shows how to use sql transformation in informatica to run the sql script or query against a database. Advantagesdisadvantages of stored procedure in jdbc scenario. Security you can set up access controls on the stored procedure and that can allow one user to access the stored procedure, instead of directly to the tables affected. In the joiner, but there are three advantages of using the sorter transformation.
Each output transformation represents a mapplet output group, and each mapplet output group can be connected to a different pipeline in a mapping. Informatica stored procedure result set solutions experts. The stored procedures in the database are executed using the execute or call statements. Stored procedures are compiled once and stored in executable form, so procedure calls are quick and efficient. Video explains how to drop the indexes on target table using plsql stored proc. Stored procedure transnformation in informatica youtube.
Stored procedure transformation in informatica tutorial gateway. A trigger can include sql and plsql statements to executor as a unit and can invoke other stored procedures. The return out parameter cannot be captured from a stored procedure in a source qualifier sql override. Informatica powercenter 8 is currently distributed in three offerings. You can only capture a result set, from a stored procedure, called from a source qualifier. Sql transformation is a connected transformation used to process sql queries in the midstream of a pipeline. Informatica interview questions on stored procedure. Stored procedure transformation overview informatica cloud. Using an oracle database, i show you how to create a mapping that uses a stored function. I think the easiest way is to create a dummy mapping first create a dummy table in the source which has columns for different data types and then call the stored procedure in the presql or postsql for the session. What are the advantages of using informatica as an etl tool over teradata. Advantages and drawbacks of using stored procedures for. Stored procedure transformation in informatica part1 youtube.
Check the status of a target database before loading data into it. Stored procedure vs etl tool data warehousing, bi and data. With a decent etl tool like bodi, ssis, informatica, ab initio and. What are the advantages of using informatica as an etl tool. Apr 15, 20 stored procedure transformation is a passive transformation. Can i set a parameter based on the output of a stored. Run a stored procedure every time a row passes through the mapping. Apr 21, 2009 however stored procedure gives us some advantages and flexibility which makes it better. This software and documentation contain proprietary information of informatica llc. Stored procedures are so popular and have become so widely used and therefore expected of relational database management systems rdbms that even mysql finally caved to developer peer pressure and added the ability to utilize stored procedures to their very popular open source database.
An oracle stored function is similar to an oracle stored procedure, except that the stored function supports output parameters or return values. We are able to call the stored procedure but its not giving the desired result. What is stored procedure and how this is useful in informatica projects. Sql server stored procedures advantages and best advantage. We can use scd type 123 to load any dimensions based on the requirement. A management decision dictates the use of informatica instead of ssis to perform this task. Calling sql server stored procedure from info informatica.
Using this transformation you can perform an operation like drop or recreate indexes, check for space in a database, performing complex calculations. Passive transformation connected and unconnected transformation stored procedures are stored and run within the database. We are using an odbc connection string for connecting to sql server database. In informaticas powercenter, is it possible to set a parameters value based on the output of a stored procedure. In which scenarios a connected stored procedure transformation is used. Getting the most out of your informatica powercenter 8 environment. Stored procedures are stored and run within the database.
Unconnected stored procedure transformation in informatica duration. Using this transformation, you can operate drop or recreate indexes, check for space in a database, performing complex calculations. Informatica stored procedure transformation stack overflow. This is useful for calling the stored procedure for each row of data that passes through the mapping, such as running a calculation against an input port. What are the types of data that passes between informatica server and stored procedure. Join software developers forum sriniforum to discuss more. The stored procedure runs where the transformation exists in the mapping on a rowbyrow basis. During the process i have to call sql server stored procedure. What are the advantages of using stored procedures. Stored procedure transformation informatica tutorial. Stored procedure transformation learning informatica. Before we start configuring, first, connect with the informatica repository service. Sql in the code by tony patton in data management on july 1, 2005, 12.
The stored procedure transformation is connected to the other transformations in the mapping pipeline. Sql transformation in informatica tutorial gateway. Stored procedure transformation is a passive transformation, can be used in both connected and unconnected mode, more details in video. Select the database that contains the stored procedure in connection information. External procedure, lookup, and stored procedure which can be. The application consisted of over 150 stored procedures sps physically. Database administrators create stored procedures to automate tasks that are too complicated for standard sql statements. I am using informatica as a tool to extract the data from the stored procedure and load it into another table on the sql server. A procedure that returns both a result set and a value can be used without the out parameters. It can also be used to call functions to return calculated values.
Posted on april 25, 2014 by yousufkpg if your etl is mostly e extract and l load, with very little of t transformation and your sps dont rely on cursors, then one can go with stored procedures. Advantages and disadvantages of using stored procedures. Jun 04, 20 now my job was to execute the stored procedure each time the session is run. Aug 15, 2015 include at least one output transformation in a mapplet with at least one connected port. Stored procedure is a passive transformation used to execute stored procedures prebuilt on the database through informatica. Oct 22, 2012 a database trigger is a stored procedure that is fired when an insert, update, or delete statements is issued against the associate table. This procedure does not have any result set returned. I am creating a mapping under design in informaticacloud for creating a process. Stored procedure transformation can be used in both connected and unconnected mode. How to execute stored procedure in informatica pre sql. A trigger defines an action the database should take when some database related event occurs. Informatica uses the stored procedure similar to database tables. Create an output transformation for each mapplet output group in the mapplet.
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