更新所有数据库索引统计信息

USE master
DECLARE @SQL VARCHAR(1000) 
DECLARE @DB sysname
DECLARE curDB CURSOR FORWARD_ONLY STATIC FOR
SELECT [name]
FROM sys.sysdatabases
WHERE [name] NOT IN ('model', 'tempdb')
ORDER BY [name]
OPEN curDB
FETCH NEXT FROM curDB INTO @DB
WHILE @@FETCH_STATUS = 0
BEGIN
SELECT @SQL = 'USE [' + @DB +']' + CHAR(13) + 'EXEC sp_updatestats' + CHAR(13)
--PRINT @SQL
FETCH NEXT FROM curDB INTO @DB
END
CLOSE curDB
DEALLOCATE curDB