mysql 查询主键
SELECT column_nameFROM INFORMATION_SCHEMA.`KEY_COLUMN_USAGE`WHERE table_name='表名'AND CONSTRAINT_SCHEMA='数据库'AND constraint_name='PRIMARY'
·
SELECT column_name
FROM INFORMATION_SCHEMA.`KEY_COLUMN_USAGE`
WHERE table_name='表名'
AND CONSTRAINT_SCHEMA='数据库'
AND constraint_name='PRIMARY'
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