Subject UPDATE sql with join like search
Author Virgo Pärna
I'm currently trying to create update sql for something like

UPDATE TABLE1 T
SET T.VALUE1 = NULL
WHERE
T.VALUE1 IN (SELECT A.VALUE1 FROM TABLE2 A WHERE VALUE2 = ?)

But I'd like to do it so, that it uses indexes, like

SELECT T.*
FROM TABLE1 T JOIN TABLE2 A ON T.VALUE1 = A.VALUE1
WHERE A.VALUE2 = ?

There are indexes on T.VALUE1 and A.VALUE2, so the plan is something like
PLAN JOIN (A INDEX (TABLE2_$_VALUE2), T INDEX (TABLE1_$_VALUE1))

Is it even possible without using stored procedure?

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Virgo Pärna
virgo.parna@...