Which transformation will not work with Push Down Optimization?
Which transformation will not work with Push Down Optimization?
Using variable ports in Expression transformation is not supported by Pushdown Optimization. The solution is to use to handle the logic in source query. In order to use SQL override query in source transformation, enable advanced session property ‘Allow Temporary View for Pushdown’ for PDO to work.
What is Push Down Optimization in Informatica?
Pushdown optimization is a concept using which you can push the transformation logic on the source or target database side. When you use the SQL override, the session performance is enhanced, as processing the data at a database level is faster compared to processing the data in Informatica.
What are the limitations of mapplet in Informatica?
What are the limitations of Mapplets? You cannot connect a single Input port to multiple transformations. An Input transformation must get data from a single active user only. PowerMate 3.5-style LOOKUP functions are not supported in a Mapplet.
What is the maximum decimal precision supported by PowerCenter?
The maximum numeric precision allowed in PowerCenter/Cloud Data Integration is 28 digits.
What is cross schema pushdown optimization?
You can use cross-schema pushdown optimization for a mapping to read or write data based on different schemas within the same database. Ensure that the schemas you specify in both of the Microsoft Azure SQL Data Warehouse ODBC connections belong to the same database. …
Can mapplet have target?
Mapplets can have as many transformations but not source or target tables.
What happens if group by is not selected in aggregator?
If no group by is checked, the last row will be processed and it will return only single row (last row) as it has no command to aggregate data.
Can we use joiner in mapplet?
You can use joiner transformation in the mapplet.
Can we use normalizer in mapplet?
“You cannot include the following objects in a mapplet: – Normalizer transformations – Cobol sources – XML Source Qualifier transformations – XML sources – Target definitions – Pre- and post- session stored procedures – Other mapplets” but it is not explained why? Regards, Komal.
What is precision in Iics?
Precision is the maximum number of significant digits for numeric data types, or the maximum number of characters for string data types. Precision includes scale. Scale is the maximum number of digits after the decimal point for numeric values. Therefore, the value 11.47 has a precision of 4 and a scale of 2.