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  • PowerCenter 10.5.7
  • All Products

Table of Contents

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  1. Preface
  2. Understanding Pipeline Partitioning
  3. Partition Points
  4. Partition Types
  5. Pushdown Optimization
  6. Pushdown Optimization and Transformations
  7. Real-time Processing
  8. Commit Points
  9. Row Error Logging
  10. Workflow Recovery
  11. Stopping and Aborting
  12. Concurrent Workflows
  13. Grid Processing
  14. Load Balancer
  15. Workflow Variables
  16. Parameters and Variables in Sessions
  17. Parameter Files
  18. FastExport
  19. External Loading
  20. FTP
  21. Session Caches
  22. Incremental Aggregation
  23. Session Log Interface
  24. Understanding Buffer Memory
  25. High Precision Data

Advanced Workflow Guide

Advanced Workflow Guide

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View Creation Example

View Creation Example

You create the following mapping that searches for 94117 zip codes in a customer database:
The mapping includes a source, Source Qualifier transformation, Filter transformation, and target.
You want the search to return customers whose names match variations of the name Johnson, including names such as Johnsen, Jonssen, and Jonson. To perform the name matching, you enter the following SQL override for the Source Qualifier transformation: 
SELECT CUSTOMERS.CUSTOMER_ID, CUSTOMERS.COMPANY, CUSTOMERS.FIRST_NAME, CUSTOMERS.LAST_NAME, CUSTOMERS.ADDRESS1, CUSTOMERS.ADDRESS2, CUSTOMERS.CITY, CUSTOMERS.STATE, CUSTOMERS.POSTAL_CODE, CUSTOMERS.PHONE, CUSTOMERS.EMAIL FROM CUSTOMERS WHERE CUSTOMERS.LAST_NAME LIKE 'John%' OR CUSTOMERS.LAST_NAME LIKE 'Jon%'
When the Integration Service pushes transformation logic for this session to the database, it executes the following SQL statement to create a view in the source database: 
CREATE VIEW PM_V4RZRW5GWCKUEWH35RKDMDPRNXI (CUSTOMER_ID, COMPANY, FIRST_NAME, LAST_NAME, ADDRESS1, ADDRESS2, CITY, STATE, POSTAL_CODE, PHONE, EMAIL) AS SELECT CUSTOMERS.CUSTOMER_ID, CUSTOMERS.COMPANY, CUSTOMERS.FIRST_NAME, CUSTOMERS.LAST_NAME, CUSTOMERS.ADDRESS1, CUSTOMERS.ADDRESS2, CUSTOMERS.CITY, CUSTOMERS.STATE, CUSTOMERS.POSTAL_CODE, CUSTOMERS.PHONE, CUSTOMERS.EMAIL FROM CUSTOMERS WHERE CUSTOMERS.LAST_NAME LIKE 'John%' OR CUSTOMERS.LAST_NAME LIKE 'Jon%'
After the Integration Service creates the view, it executes an SQL query to perform the transformation logic in the mapping: 
SELECT PM_V4RZRW5GWCKUEWH35RKDMDPRNXI.CUSTOMER_ID, PM_V4RZRW5GWCKUEWH35RKDMDPRNXI.COMPANY, PM_V4RZRW5GWCKUEWH35RKDMDPRNXI.FIRST_NAME, PM_V4RZRW5GWCKUEWH35RKDMDPRNXI.LAST_NAME, PM_V4RZRW5GWCKUEWH35RKDMDPRNXI.ADDRESS1, PM_V4RZRW5GWCKUEWH35RKDMDPRNXI.ADDRESS2, PM_V4RZRW5GWCKUEWH35RKDMDPRNXI.CITY, PM_V4RZRW5GWCKUEWH35RKDMDPRNXI.STATE, PM_V4RZRW5GWCKUEWH35RKDMDPRNXI.POSTAL_CODE, PM_V4RZRW5GWCKUEWH35RKDMDPRNXI.PHONE, PM_V4RZRW5GWCKUEWH35RKDMDPRNXI.EMAIL FROM PM_V4RZRW5GWCKUEWH35RKDMDPRNXI WHERE (PM_V4RZRW5GWCKUEWH35RKDMDPRNXI.POSTAL_CODE = 94117)
After the session completes, the Integration Service drops the view from the database. If the session fails, the Integration Service drops and recreates the view before performing recovery tasks.
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