SQL Server遍历所有表统计行数

Posted 2021-01-26 s5689412

DECLARE CountTableRecords CURSOR READ_ONLY FOR 
  SELECT sst.name, 
         Schema_name(sst.schema_id) 
  FROM   sys.tables sst 
  WHERE  sst.TYPE = ‘U‘ 
DECLARE @name   VARCHAR(80), 
        @schema VARCHAR(40) 

OPEN CountTableRecords 

FETCH NEXT FROM CountTableRecords INTO @name, @schema 

WHILE ( @@FETCH_STATUS <> -1 ) 
  BEGIN 
      IF ( @@FETCH_STATUS <> -2 ) 
        BEGIN 
        PRINT @name
                DECLARE @sql NVARCHAR(1024) 
        SET @sql=‘DECLARE @count INT SELECT @count=COUNT(1) FROM ‘ + Quotename(@schema) 
                           + 
                           ‘.‘ + Quotename(@name) +‘ PRINT @count‘
                  EXEC Sp_executesql @sql 
        END 

      FETCH NEXT FROM CountTableRecords INTO @name, @schema 
  END 

CLOSE CountTableRecords 

DEALLOCATE CountTableRecords 

GO

主要是为了找出数据库里面记录最多的表，用来做性能测试用。

来自SQL Server 2005/2008遍历所有表统计行数，实测在SQL Server 2012 LocalDB上可用。