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Status Not under consideration
Workspace Db2 for z/OS
Created by Guest
Created on Feb 17, 2020

RELATED IDEAS

Allow SQL to reference a Temporal table and Transparent archiving table in the same statement

We have adopted widespread use of System Time functionality on our application tables.  We have need to use transparent archiving as well, since we have table where data churn is significant and we don't have need to track row changes - just the final state of the row once it's removed from the processing table.

However, we discovered recently a limitation that disallows referencing both a System Time temporal table and a transparent archiving enabled table in the same SQL statement.  With our widespread use of system time, this essentially blocks our ability to use transparent archiving, as there will almost always be a join between tables of these two types.

I know one solution is to use system time with the 'ON DELETE ADD EXTRA ROW' option instead of transparent archiving; however, the two functions work differently and for different reasons.  As stated above, we don't need the additional functionality that system time provides.

This was a shocking find and I'm not sure I understand why the two features won't work together.  A significant limitation.

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