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两种方法: select from userinfo 利用ResultSet的last和getRow方法来获得ResultSet的总行数,适用于在查询数据的同时统计记录条数。 sql语句 String sql select from userinfo Statement stmt conn.prepareStatement sql 执行SQL语句,并返回一个ResultSet对象rs Resul ...
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SELECT a.name, b.rowsFROM sys.sysobjects AS a INNER JOIN sys.sysindexes AS b ON a.id = b.idWHERE (b. ...
//查询所有表明 select name from sysobjects where xtype='u' select * from sys.tables //查询数据库中所有的表名及行数 SELECT a.name, b.rows FROM sysobjects AS a INNER ...
>use information_schema; >select sum(table_rows) from tables where TABLE_SCHEMA = "test" or ...