道家人 发表于 2022-8-11 00:02:21

Mysql 查看varchar和char类型表的列长度

SELECT table_name, SUM(character_maximum_length) AS sum_length
FROM information_schema.columns
WHERE table_schema='gscloud2103mysql' and data_type in ('char','varchar')
GROUP BY table_name
ORDER BY sum_length desc 

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