mssql怎么批量替换整个数据库

开发技术作者：chen 2024-03-29 20:30:01

这篇文章主要讲解了“mssql怎么批量替换整个数据库”，文中的讲解内容简单清晰，易于学习与理解，下面请大家跟着小编的思路慢慢深入，一起来研究和学习“mssql怎...

这篇文章主要讲解了“mssql怎么批量替换整个数据库”，文中的讲解内容简单清晰，易于学习与理解，下面请大家跟着小编的思路慢慢深入，一起来研究和学习“mssql怎么批量替换整个数据库”吧！

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) 为char,varchar,nchar,nvarchar,ntext类型
        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)这样的语句。
      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)+条记录;
      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)+条记录被更新!!!

close cur
deallocate cur
SET nocount off