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Asked: 2026-05-23T01:18:03+00:00

I am trying to reduce the size of some data in a column in

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I am trying to reduce the size of some data in a column in MySQL which has some lengths >64 and a lot <64.

I basically only want to get left(columnID, 64) so that any data >64 chars is now 64 chars and others are preserved ?

Any ideas ?

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1 Answer

  1. Editorial Team
    UPDATE tbl
   SET columnID = LEFT(columnID, 64)
 WHERE LENGTH(columnID) > 64
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