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What is the difference between an aggregator transformation and a normal SQL query in Informatica?

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In Informatica, an Aggregator Transformation and a normal SQL query serve similar purposes but differ in their approach and functionality: Normal SQL Query: 1. _Executed outside Informatica_: SQL queries are executed directly on the database. 2. _Limited data processing_: SQL queries are designed...
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In Informatica, an Aggregator Transformation and a normal SQL query serve similar purposes but differ in their approach and functionality: Normal SQL Query: 1. _Executed outside Informatica_: SQL queries are executed directly on the database. 2. _Limited data processing_: SQL queries are designed for set-based operations, not complex data processing. 3. _No data caching_: Results are retrieved directly from the database. 4. _Less flexible_: SQL queries are less flexible in terms of data manipulation and transformation. Aggregator Transformation (in Informatica): 1. _Executed within Informatica_: Aggregator Transformation is a built-in Informatica component. 2. _Advanced data processing_: Enables complex data processing, aggregation, and transformation. 3. _Data caching_: Informatica caches data, reducing database queries and improving performance. 4. _More flexible_: Offers more flexibility in data manipulation, transformation, and aggregation. Key differences: - Execution location (database vs. Informatica) - Data processing capabilities (simple vs. complex) - Data caching (no caching vs. caching) - Flexibility (less flexible vs. more flexible) Choose a normal SQL query for simple, set-based operations, and use Aggregator Transformation for complex data processing, aggregation, and transformation within Informatica workflows. read less
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