MYSQL指定数据库查询所有表行数
[sql] SELECT CONCAT('union all select ''', TABLE_SCHEMA ,''' as db ,''',TABLE_NAME,''' as tbname, count(1) as rows from ', TABLE_SCHEMA ,'.',TABLE_NAME ) AS SqlExe FROM information_schema.TABLES AS t WHERE t.TABLE_TYPE = 'BASE TABLE' AND t.TABLE_SCHEMA = 'AdDataCenter' -- 因为直接访问视图时，mysql数据统计不精确。
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