Key Generator Transformation In Bods
- Key Generator Transformation In Bods And Dogs
- Key Generator Transformation In Bods Youtube
- Key Generator Transformation In Bods 2
- Transformation Name Generator
Feb 21, 2013 Example: If EMPNO is the key, we can keep only one record in target for the same Employee number and can’t maintain history, so we use Surrogate key as Primary key and not EMPNO. Informatica Sequence Generator: Passive and Connected Transformation; The Sequence Generator transformation generates numeric values. Aug 30, 2016 currently one ETL(sap bods) inserting sequence(surrogate key) using key generator transformation in BODS, this one directly connects to database unlike informatica sequence generator. Now i have to build othet ETL process in informatica and load same target table as in above process. Mar 26, 2014 Vast is an Ocean,So is vast the World of Knowledge. With my diving suit packed, loaded with imaginative visions, and lots of curiosity, started diving deep into the world of BODS.Lots of work is going on. Got attracted towards the “KeyGeneration” transform and was fascinated at its features.Now it was time for me to.
Def:- Row generation Produces a data set with a single column.The column values start with the number that you set in the Row number starts at option. The value then increments by one to a specified number of rows. Extensively worked on simple and complex transformations like Key Generator, Table Comparison, case, Validation, Merge, lookup etc. In Data flows. Experienced on optimizing BODS Job & System.
Key Generator Transformation In Bods And Dogs
To delta load a table which has a surrogate key as primary key you simply combine Table Comparison with Key Generation Transform. Behind the scenes, some not so obvious things go on.
Key Generator Transformation In Bods Youtube
The flow itself is simple.
The secret is the Table Comparison Transform, that perform the lookup on the target table to get the current status. With this lookup, it can read and will output all the columns, even if they are not part of the input schema. An example is the surrogate key of the target table. The Table Comparison does get the logical primary key as input, tries to find the matching row in the comparison (target) table and if found, will get all the missing column values as well like the corresponding KEY_ID.
The only thing to watchout is, if using the row-by-row setting of the Transform, the compare table has to have an index on the logical(!!) primary key - CUSTOMER_ID in this example.
Key Generator Transformation In Bods 2
Now the Key Generation Transform gets insert and update rows but will overwrite the KEY_ID column only for rows with OP code of insert - rows that do not have a KEY_ID yet.
Transformation Name Generator
And at then end, the target table loader does execute the insert or the update statement. For the update statement, it needs to know what the physical primary key is, so make sure the target table got imported with primary key column(s) into the DI repo.
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