批量替换某个表中的字段字符串

declare @curTable nvarchar(500),
        @FilterStr nvarchar(500);--过滤字符串 字符串及之后的数据将被替换为空
set  @FilterStr=‘<‘;
set  @curTable=‘B07‘;        
DECLARE 
    @SQLList nvarchar(4000),
    @tableName VARCHAR(10),
    @name VARCHAR(10),
    @type VARCHAR(10);
set @SQLList=‘‘;
BEGIN
  -- 定义游标.
  DECLARE c_test_main CURSOR FAST_FORWARD FOR
    -- select [dbid],[name] from sysdatabases where dbid>4;--查询数据库名称
    select b.name as tableName,a.name as columnName,c.name as columnType from syscolumns a inner join sysobjects b on a.id=b.id inner join systypes c on a.xtype=c.xtype 

WHERE a.id=OBJECT_ID(N‘[‘+@curTable+‘]‘) And c.name not like ‘sysname‘ ORDER BY colid
    
  -- 打开游标.
  OPEN c_test_main;
 
  WHILE 1=1
  BEGIN
    -- 填充数据.
    FETCH NEXT FROM c_test_main INTO @tableName,@name,@type;
    -- 假如未检索到数据，退出循环.
    IF @@fetch_status!= 0 BREAK;
    
    if @type=‘varchar‘ 
        begin
            --select @tableName,@name,@type;
            set @SQLList=@SQLList+‘;update [‘+@tableName+‘] set [‘+@name+‘]=replace([‘+@name+‘],substring([‘+@name+‘],charindex(‘‘‘+@FilterStr+‘‘‘,[‘+@name+‘]),len([‘+@name+‘])),‘‘‘‘); ‘
        end
  END;
  
  -- 关闭游标
  CLOSE c_test_main;
  -- 释放游标.
  DEALLOCATE c_test_main;
END
select @SQLList;