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Editorial Team
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Asked: 2026-06-02T15:47:09+00:00

Situation: there’s a table that is managed by application A. Application A inserts and

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Situation: there’s a table that is managed by application A. Application A inserts and updates data in the table throughout the day. Once per week it DROPs the table, recreates it, and inserts all data.

Problem: application A creates the table as utf8. Application B that relies on this table require for it to be ascii_bin. I did not design either application, nor do I have access to modifying their requirements.

What’s needed: a way to ensure that the table is in ascii_bin. I considered writing a script and run it via CRON, which would check the current charset and set it if needed. Is there a better way of achieving this?

Since ALTER is one of the statements that causes an implicit COMMIT, I do not believe it is possible to do it as part of a trigger after INSERT or UPDATE.

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1 Answer

  1. Editorial Team

    You can set ascii_bin as a default charset for your database schema. Then all the created tables will have this charset when created, unless you explicitly specify another charset.

    Refer to MySQL documentation on how to set the default charset: http://dev.mysql.com/doc/refman/5.0/en/charset-database.html

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