我试图生成一些动态的sql来为每个对象执行此操作,但我收到此错误：
‘CREATE TRIGGER’必须是查询批处理中的第一个语句.

这是生成sql的代码.

CREATE PROCEDURE [spCreateTableTriggers]
AS
 
BEGIN
 
DECLARE @dbname     varchar(50),@schemaname varchar(50),@objname    varchar(150),@objtype    varchar(150),@sql        nvarchar(max),@CRLF       varchar(2)
 
SET     @CRLF = CHAR(13) + CHAR(10);
 
DECLARE ObjectCursor CURSOR FOR
SELECT  DatabaseName,SchemaName,ObjectName
FROM    Audit.dbo.ObjectUpdates;
 
SET NOCOUNT ON;
 
OPEN    ObjectCursor ;
 
FETCH NEXT FROM ObjectCursor
INTO    @dbname,@schemaname,@objname;
 
WHILE @@FETCH_STATUS=0
BEGIN
 
    SET @sql = N'USE '+QUOTENAME(@dbname)+'; '
    SET @sql = @sql + N'IF EXISTS (SELECT * FROM sys.triggers WHERE object_id = OBJECT_ID(N'''+QUOTENAME(@schemaname)+'.[Tiud_'+@objname+'_AuditObjectUpdates]'')) '
    SET @sql = @sql + N'BEGIN DROP TRIGGER '+QUOTENAME(@schemaname)+'.[Tiud_'+@objname+'_AuditObjectUpdates]; END; '+@CRLF
    SET @sql = @sql + N'CREATE TRIGGER '+QUOTENAME(@schemaname)+'.[Tiud_'+@objname+'_AuditObjectUpdates] '+@CRLF
    SET @sql = @sql + N'   ON '+QUOTENAME(@schemaname)+'.['+@objname+'] '+@CRLF
    SET @sql = @sql + N'   AFTER INSERT,DELETE,UPDATE'+@CRLF
    SET @sql = @sql + N'AS '+@CRLF
    SET @sql = @sql + N'IF EXISTS(SELECT * FROM Audit.dbo.ObjectUpdates WHERE DatabaseName = '''+@dbname+''' AND ObjectName = '''+@objname+''' AND RequiresUpdate=0'+@CRLF
    SET @sql = @sql + N'BEGIN'+@CRLF
    SET @sql = @sql + N'    SET NOCOUNT ON;'+@CRLF
    SET @sql = @sql + N'    UPDATE  Audit.dbo.ObjectUpdates'+@CRLF
    SET @sql = @sql + N'    SET RequiresUpdate = 1'+@CRLF
    SET @sql = @sql + N'    WHERE   DatabaseName = '''+@dbname+''' '+@CRLF
    SET @sql = @sql + N'        AND ObjectName = '''+@objname+''' '+@CRLF
 
    SET @sql = @sql + N'END' +@CRLF
    SET @sql = @sql + N'ELSE' +@CRLF
    SET @sql = @sql + N'BEGIN' +@CRLF
    SET @sql = @sql + N'    SET NOCOUNT ON;' +@CRLF
    SET @sql = @sql + @CRLF
    SET @sql = @sql + N'    -- Update ''SourceLastUpdated'' date.'+@CRLF
    SET @sql = @sql + N'    UPDATE  Audit.dbo.ObjectUpdates'+@CRLF
    SET @sql = @sql + N'    SET SourceLastUpdated = GETDATE() '+@CRLF
    SET @sql = @sql + N'    WHERE   DatabaseName = '''+@dbname+''' '+@CRLF
    SET @sql = @sql + N'        AND ObjectName = '''+@objname+''' '+@CRLF
    SET @sql = @sql + N'END; '+@CRLF
 
    --PRINT(@sql);
    EXEC sp_executesql @sql;
 
    FETCH NEXT FROM ObjectCursor
    INTO    @dbname,@objname;
 
END
 
CLOSE ObjectCursor ;
DEALLOCATE ObjectCursor ;
 
END

如果我使用PRINT并将代码粘贴到新的查询窗口,代码执行没有任何问题.

我删除了GO语句,因为这也是错误的.

我错过了什么？
为什么我使用EXEC(@sql)收到错误;甚至EXEC sp_executesql @sql;？
这与EXEC()中的上下文有关吗？
非常感谢任何帮助.