13. Updating Data
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Updating Data
Methods for Updating Data
Batch and Bulk Updates
Combining Tables
How to Avoid Propagation
MODIFY...TO COMBINE Statement--Merge and Update Data
Best Practices for Updates
Allowing Concurrent Inserts
Methods for Updating Data
Data can be inserted, updated, and deleted using these methods:
As a batch or bulk operation using SQL statements or the vwload command
As a bulk operation using the MODIFY...TO COMBINE statement
Using tools that generate the commands and SQL statements to load the data.