sqlÈçºÎÈýá¹ûµ¹¹ýÀ´
±ÈÈçselect * from tb½á¹ûΪ£º
id name
1 s
5 b
3 c
ÏÖÔÚÒª°Ñ½á¹ûµ¹¹ýÀ´£º
id name
3 c
5 b
1 s
ÈçºÎʵÏÖ£¿
ÕâÀïûÓÐÈκÎÅÅÐòÒÀ¾Ý¡£
??
SQL code:
select * from tb order by (case id when 3 then 0
when 5 then 1
when 1 then 2
end) Asc
???
SQL code:
--2000ÓÃÁÙʱ±í
select IDENTITY(int,1,1) as rn,* into # from tb
select ID,name from # order by rn desc
ƽʱһ°ã¶¼ÊÇÓÃorder by [ÁÐÃû] descÀ´ÊµÏÖµ¹Ðð£¬
µ«ÎÊÌâÊÇÏÖÔÚ²»ÄÜÓÃÈκÎÁÐ×÷ΪÅÅÐòÒÀ¾Ý£¬ÕâÀïµÄtbÖ»ÊǾÙÀý£¬Êµ¼ÊÊÇÒ»¸öÁÙʱ±í¡£
ÿÒÀ¾Ý»¹ÔõÃ´Íæ
up
ºÜºÃ£¬ºÜºÃ£¬¶¼²»ÖªµÀÄĸö±È½ÏºÃÁË¡£
ûÒÀ¾Ý»¹Õæ²»ÖªµÀÔõÃ´Íæ ¹Ø×¢Ò»ÏÂ
Ïà¹ØÎÊ´ð£º
ÎÒÒ»¸öÏîÄ¿£¬Óиö²åÈë²Ù×÷£¬¾ßÌåÊÇÕâÑùµÄ£º
ÎÒÓнø»õÐÅÏ¢±í¡£ÔÚ³ö»õʱѡÔñÏàÓ¦µÄ½ø»õÐÅÏ¢£¬ÊäÈëÊýÁ¿£¬Ñ¡Ôñ²¿Ãź󣬵㱣´æ°´Å¥£¬ÓÉÓÚÍøÂçÑÓʱ£¬µãÒ»ÏÂûÓз´Ó³£¬ÓÚÊÇÓû§¾ÍÓÖµãһϣ¬µ¼ÖÂÒ»´Î²åÈëÁËÁ½Ìõ¼Ç¼:
Àý£º
......
Êý¾Ý¿âÒªÔõôѧ²Å²»»áÏԵóéÏó°¡£¿
Õâ¾ÍÒª¿´ÄãÊʺÏʲô·½·¨ÁË£¬Õâ¾ßÌå²»ºÃ˵µÄ.....
ÔõôÁË£¬ÄѵÀ´ó¼Ò¶¼²»»á£¬»¹ÊÇÕæµÄÌ«³éÏó´ó¼Ò²»ÖªµÀÔõô˵°¡
½áºÏÄã²Ù×÷Êý¾Ý¿âµÄÌå»áºÍÀí½â£¬Ó¦¸ÃЧ¹û»á¸üºÃ¡£·ñÔò£¬Ò ......
¿ÉÄÜÒòΪ¹¤×÷µÄÔÒò ½Ó´¥Êý¾Ý¿âÕâ¿é±È½ÏÉÙ£¬Ö®Ç°¶¼ÊÇ×ö³ÌÐòÕâ¿é£¬Êý¾Ý¿âÕâ¿é¶¼ÓÐרÃŵÄÈËÀ´×ö ·Ö¹¤¶¼ºÜÃ÷ϸ ËùÒÔ¶ÔÊý¾Ý¿âÕâÒ»¿éÍêÈ«²»Á˽⡣ǰ¶Îʱ¼ä È¥ÃæÊÔÁ˼¸¼Ò¹«Ë¾ ¼¸ºõ¶¼ÊÇÔÚÊý¾Ý¿âÕâ¿é¹ÒµôµÄ Á¬¸ö¼òµ¥µÄSQ ......
ÏëÓÃSQL CLR×öÈçϵĴ洢¹ý³Ì,µ«ÊÇ·¢ÏÖ±¨´í:
{ÓÉÓÚ´úÂëÒѾ¹ýÓÅ»¯»òÕß±¾»ú¿ò¼ÜλÓÚµ÷ÓöÑÕ»Ö®ÉÏ£¬ÎÞ·¨¼ÆËã±í´ïʽµÄÖµ¡£}
¶øÇÒÈç¹ûÊý¾Ý´Ócase 1ͨ¹ýʱ¾ÍÊÇÕýÈ·µÄ,´Ócase 2ͨ¹ýʱ´íÎó
²¢ÇÒÔÚc ......