mssql怎么批量替換整個數據庫

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declare cur cursor FOR
SELECT name,id FROM sysobjects WHERE xtype=U

open cur
fetch next FROM cur INTO @tableName,@tbID

while @@fetch_status=0
begin
declare cur1 cursor FOR
–xtype in (231,167,239,175,99) 為 char,varchar,nchar,nvarchar,ntext 類型
SELECT name FROM syscolumns WHERE xtype IN (231,167,239,175,99) AND
open cur1
fetch next FROM cur1 INTO @columnName
while @@fetch_status=0
begin
SET @sql=update [+ @tableName +] set [+ @columnName +]= replace(cast([+@columnName+] as varchar(8000)),+@Str1+,+@Str2+) where [+@columnName+] like
–update tablename set fieldA=replace(cast(fieldA as varchar(8000)) ,aa,bb) 這樣的語句。
exec sp_executesql @sql
SET @iRow=@@rowcount
SET @iResult=@iResult+@iRow
IF @iRow 0
begin
print 表：, 列:+@columnName+ 被更新 +convert(varchar(10),@iRow)+ 條記錄;
end
fetch next FROM cur1 INTO @columnName

end
close cur1
deallocate cur1

fetch next FROM cur INTO @tableName,@tbID
end
print 共有 +convert(varchar(10),@iResult)+ 條記錄被更新!!!

close cur
deallocate cur
SET nocount off