CROSS JOIN

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Integration Process (Simplified)

  • An integration process is always required in a mapping.
  • It transfers data from source/loading tables target datastore using a temporary integration table.
  • It follows an integration strategy, which defines how data is loaded and updated.

Common Integration Strategies

1. Append

  • (Optional) Delete existing records in the target
  • Insert all incoming data into the target

2. Control Append

  • Same as Append
  • Includes optional flow control

3. Incremental Update

  • (Optional) Delete existing records
  • Compare incoming data with target:
    • Insert new records
    • Update existing records
  • Includes optional flow control

4. Slowly Changing Dimension (Type 2)

  • Update changed fields in the target
  • Maintain history of previous records for tracking changes

Server Usage

  • Single Server: When staging and target are on the same server
  • Two Servers: When staging and target are on different servers

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