SELECT
TABLE_NAME '表名',
COLUMN_NAME '字段名',
CONCAT( 'SELECT * from ', table_name, ' WHERE 填入要查询的字段名 = "3" ;' ) AS `sql语句`
-- CONCAT拼接sql语句,按需要修改
FROM
information_schema. COLUMNS
WHERE
TABLE_SCHEMA = '填入要查询的库名'
AND COLUMN_NAME = '填入要查询的字段名';
生成查询或修改某个库中包含某个字段的所有表的语句
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转载自blog.csdn.net/jtfyh/article/details/119409385
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