1.查看数据库表数量SELECT count(TABLE_NAME) FROM information_schema.TABLES WHERE TABLE_SCHEMA='dbname'; 2.获取mysql下所有数据库表的数量 SELECT COUNT(*) TABLES, table_schema FROM information_schema.TABLES GROUP BY table_schema; 3.获取指定数据库的表的数量 SELECT COUNT(*) TABLES, tabl
using System; using System.Collections.Generic; using System.Configuration; using System.Data; using System.Data.SqlClient; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; public partial class _Default : Sys
本文转载自:http://hi.baidu.com/ajyajyajy/item/4e2a7f4dc83393d2c1a592c1 use DBNAMEgoselect * from sysobjects where xtype='U'; --这是查询所有表的信息select count(*) from sysobjects where xtype='U' --这是查询表的数量 select a.name, b.rows from sysobjects a with(nolock) join
统计MySQL中某个数据库中有多少张表 SELECT count(*) TABLES, table_schema FROM information_schema.TABLES where table_schema = '数据库名称' GROUP BY table_schema; 统计MySQL中某个数据库中表记录数 use information_schema; select table_name,table_rows from tables where TABLE_SCHE
//增 procedure TForm1.btnAddClick(Sender: TObject); begin ADOQuery1.Close; ADOQuery1.SQL.Clear; ADOQuery1.SQL.Add('select * from AZZ where 排名=(''' + Edit1.Text + ''')'); ADOQuery1.Open; //if ADOQuery1.IsEmpty then ?????????????????????????? then //如果记
如果一个数据库中表的数量较多的话,那么在统计数据库中表的数量或视图或存储过程的数量时,如果还有一个一个去数,那就太麻烦了,其实可以通过 sql 语句来查询的,sql 语句的查询方法如下: sql server : select count(1) from sysobjects where xtype='U' 数据表 select count(1) from sysobjects where xtype='V' 视图 select count(1) from sysobjects where xt