Normally, when I need to run these types of update queries, I use an EXISTS clause, like this: UPDATE data as a SET b_desc = p_desc, p_desc = null WHERE EXISTS (SELECT '1' FROM c_data as be WHERE b. B_desc = a. B_desc AND b.
P_desc = a. P_desc).
. Normally, when I need to run these types of update queries, I use an EXISTS clause, like this: UPDATE data as a SET b_desc = p_desc, p_desc = null WHERE EXISTS (SELECT '1' FROM c_data as be WHERE b. B_desc = a.
B_desc AND b. P_desc = a. P_desc).
X-Zero I don't think, AND b. P_desc = a. P_desc is needed in WHERE clause, which may restrict many updates.
@rozarWhat do you say? – Raja Reddy Nov 5 at 16:08 @RajaReddy - He had (what I took to be) an AND clause to begin with, so that's what I chose. – X-Zero Nov 7 at 16:34.
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