sql select ÓÅ»¯
ÎÊÌ⣺ ÒÔǰͬÊÂдµÄ ´æ´¢¹ý³ÌA £¬¹¦ÄÜÊÇ Í³¼ÆÐÅÏ¢£¨ÀïÃæÓÐselect Óï¾ä£©²¢²åÈëµ½ ±íAÀï ´æ´¢¹ý³ÌA ½á¹û£¨1£©£º ÁÐ1 ÁÐ2 ÁÐ3 ÁÐ4 a b c d ÎÒÏÖÔÚÒªÔÙдһ¸ö´æ´¢¹ý³ÌX µ÷ÓÃA(ºÃ¶àÏñAÕâÑùµÄ´æ´¢¹ý³Ì) ÔÚ³ÌÐòÖÐ µ÷ÓÃX ºÃÂý£¬ÔÚ²éѯ·ÖÎöÆ÷Àïµ÷Ó㬷µ»ØºÃ¶àÏñ£¨½á¹û1£© µÄÐÅÏ¢ ÎÒÏëÔÚ XÖÐ £¬¿ØÖÆ ²»ÈÃÏÔʾÈκÎÐÅÏ¢£¬»òÕߣ¬ÄÜÓÅ»¯£¨Ç°ÌáÊDz»È¥¸ü¸Ä A£© ÎÒÔÚXÖУ¬Óà set nocount on ҲûÓà Çë´ó¼Ò¿´¿´¡£¡£¡£
http://blog.csdn.net/fredrickhu/archive/2009/09/23/4584118.aspx ´æ´¢¹ý³Ìµ÷Óô洢¹ý³Ì ²¢»ñµÃ·µ»ØÖµ ±È½ÏÂÒ ÒªÈò»ÏÔʾÕâЩÖмäµÄ½á¹û£¿ ²»ÐÞ¸ÄAÃ²ËÆºÜÄÑ×öµ½¡£ ûŪ¶® ÀýÈ磺 select kahao from huiyuan ½á¹û kahao 100 200 300 ÏëÒªµÄÊÇ ÔËÐÐ select kahao from huiyuan ʲô¶¼²»ÏÔʾ Ö´Ðд洢¹ý³ÌA·µ»Ø½á¹û¼¯²»£¿ select kahao from huiyuan where 1=0 ²»ÐÞ¸ÄAµÄ»°£¬»ù±¾ÉϺÜÄÑ¡£ÔÚÍâÃæÊǸÉÉæ²»ÁËAµÄÖ´Ðеģ¬AÀïÃæÓÐselectÓï¾ä£¬ÄãÄÜÈÃselect²»Ö´ÐУ¿ ±¾À´Óзµ»Ø,ÄãÓÖÈÃËü²»·µ»Ø,ÄÇÄã¸ÉÂﻹҪµ÷Óð¡ÒýÓà ÎÊÌ⣺ ÒÔǰͬÊÂдµÄ ´æ´¢¹ý³ÌA £¬¹¦ÄÜÊÇ Í³¼ÆÐÅÏ¢£¨ÀïÃæÓÐselect Óï¾ä£©²¢²åÈëµ½ ±íAÀï ´æ´¢¹ý³ÌA ½á¹û£¨1£©£º ÁÐ1 ÁÐ2 ÁÐ3 ÁÐ4 a b c d ÎÒÏÖÔÚÒªÔÙдһ¸ö´æ´¢¹ý³ÌX µ÷ÓÃA(ºÃ¶àÏñAÕâÑùµÄ´æ´¢¹ý³Ì) ÔÚ³ÌÐòÖÐ µ÷ÓÃX ºÃÂý£¬ÔÚ²éѯ·ÖÎöÆ÷Àïµ÷Ó㬷µ»ØºÃ¶àÏñ£¨½á¹û1£© µÄÐÅÏ¢ Î
Ïà¹ØÎÊ´ð£º
sql2005 select *from v_ddxx where d_sfsc='0' and (g_ssbm='1001' or g_ssbm='1002') and (xxf>0 and xxfwzf <>0 ),Ö´ÐÐËÙ¶ÈÂýµÄÒªËÀ£¬µ«ÊÇÈç¹û°Ñ(xxf>0 and ......
Ö´ÐеÄ˳Ðò£º 1£©Îļþä¯ÀÀ¿ò£¨Ñ¡ÔñÎļþʹÓã© Ñ¡ÔñºÃÎļþºó µã»÷Ò»¸öµ¼Èë°´Å¥µÄʱºò £¬°ÑÉÏÃæÉÏ´«¿òÀïµÄcsvÎļþÒÔÒ»¸öIDΪÎļþÃû£¬ÉÏ´«µ½**/**Îļþ¼ÐÏ 2£©¶ÁÈ¡Õâ¸öÎļþ¼ÐϵÄcsvµÄÎļþ£¬×ª»»³Ésql 3 ......
table1 Ãû³Æ Èë¿âÊý CT»ú 3 CT»ú 5 X¹â»ú 4 ......
access ÖÐÖ´ÐÐsql updateÓï¾äʱÓÐʱºò³É¹¦ÓÐʱºò²»³É¹¦£¬µ«ÊÇaccessÖв»³ö´íÎóÐÅÏ¢£¬²»ÖªµÀÊÇʲôÔÒò£¬ÓÐÄÄλ´óÏÀÖªµÀ£¬Çë°ïæ°¡ ÌùSQLÓï¾ä£¬¼ì²é±í¡¢×ֶεÄÓÐЧÐÔÉèÖà sql ÔÚ²éѯ·ÖÎöÆ÷ÀïÃæ Ö´ÐкÜÕý³£ ÊÇ ......