sybaseÊý¾Ý¿âÖÐË÷Òýµ¼ÖÂsqlÓï¾äÖ´Ðв»³É¹¦
SELECT DISTINCT A.CASEPROP AS PROP,'¾É´æ' AS AJLX,0 AS AJLXXH,A.CASE_PROP AS PROPNO
,M1=( SELECT COUNT(*) from CASES WHERE CASEPROP=A.CASEPROP AND
(PERMITDAY <'2008.12.26 00:00:00' AND (SHUTDAY IS NULL OR
SHUTDAY<'1900-01-01 00:00:00' OR SHUTDAY>='2008.12.26 00:00:00') )) ,
M2=( SELECT COUNT(*) from CASES WHERE CASEPROP=A.CASEPROP
AND (PERMITDAY <'2009.01.26 00:00:00' AND
(SHUTDAY IS NULL OR SHUTDAY<'1900-01-01 00:00:00' OR SHUTDAY>='2009.01.26 00:00:00') )) ,
M3=( SELECT COUNT(*) from CASES WHERE CASEPROP=A.CASEPROP
AND (PERMITDAY <'2009.02.26 00:00:00' AND (SHUTDAY IS NULL
OR SHUTDAY<'1900-01-01 00:00:00' OR SHUTDAY>='2009.02.26 00:00:00') )) ,
M4=( SELECT COUNT(*) from CASES WHERE CASEPROP=A.CASEPROP AND
(PERMITDAY <'2009.03.26 00:00:00' AND
(SHUTDAY IS NULL OR SHUTDAY<'1900-01-01 00:00:00' OR SHUTDAY>='2009.03.26 00:00:00') )) ,
M5=( SELECT COUNT(*) from CASES WHERE CASEPROP=A.CASEPROP AND
(PERMITDAY <'2009.04.26 00:00:00' AND
(SHUTDAY IS NULL OR SHUTDAY<'1900-01-01 00:00:00' OR SHUTDAY>='2009.04.26 00:00:00') )) ,
M6=( SELECT COUNT(*) from CASES WHERE CASEPROP=A.CASEPROP AND
(PERMITDAY <'2009.05.26 00:00:00' AND
(SHUTDAY IS NULL OR SHUTDAY<'1900-01-01 00:00:00' OR SHUTDAY>='2009.05.26 00:00:00') )) ,
M7=( SELECT COUNT(*) from CASES WHERE CASEPROP=A.CASEPROP AND
(PERMITDAY <'2009.06.26 00:00:00' AND (SHUTDAY IS NULL OR SHUTDAY<'1900-01-01 00:00:00' OR SHUTDAY>='2009.06.26 00:00:00') )) ,M8=( SELECT COUNT(*) from CASES WHERE CASEPROP=A.CASEPROP AND (PERMITDAY <'2009.07.26 00:00:00' AND (SHUTDAY IS NULL OR SHUTDAY<'1900-01-01 00:00:00' OR SHUTDAY>='2009.07.26 00:00:00') )) ,M9=( SELECT COUNT(*) from CASES WHERE CASEPROP=A.CASEPROP AND (PERMITDAY <'2009.08.26 00:00:00' AND (SHUTDAY IS NULL OR
SHUTDAY<'1900-01-01 00:00:00' OR SHUTDAY>='2009.08.26 00:00:00') )) ,M10=( SELECT COUNT(*) from CASES WHERE CASEPROP=A.CASE
Ïà¹ØÎĵµ£º
Êý¾Ý¿âsqlÓï¾äϵÁж¼ÊÇÒÔÏÂÃæµÄ±íΪ»ù´¡µÄ
1. д³ö²½Öè4Öеĸ÷Ïî²Ù×÷µÄSQLÓï¾ä¡£
¢Ù ¸øÑ§Éú±íÔö¼ÓÒ»ÊôÐÔNation£¨Ãñ×壩£¬Êý¾ÝÀàÐÍΪVarchar£¨20£©£»
alter table Student add Nation varchar(20);
¢Ú ɾ³ýѧÉú±íÖÐÐÂÔöµÄÊôÐÔNation£»
alter table Student DR ......
“¹¤ÓûÉÆÆäÊ£¬±ØÏÈÀûÆäÆ÷”¡£ÐÅÏ¢¼¼ÊõÔÚÉÌÒµÁìÓòÓ¦ÓõÄ׿Խ³ÉЧÔÚ¾¹ý½ü20ÄêµÄÐÅÏ¢»¯½¨ÉèÒѾ³õ²½ÏÔÏÖ¡£Æóҵͨ¹ýMIS£¨¹ÜÀíÐÅϢϵͳ£©¿ìËÙÊÕ¼¯ºÍ´¦ÀíÉÌÒµÐÅÏ¢£¬Í¨¹ýERP£¨ÆóÒµ×ÊÔ´¼Æ»®ÏµÍ³£©×¼È·¼à¿ØÐÅÏ¢Á÷£¬´Ó¶ø¶ÔÆóÒµ¾ÓªµÄ¸÷¸ö·½Ãæ½øÐйÜÀí¡£ÕâЩϵͳ³ýÁ˱¾ÉíµÄÓ¦ÓÃÍ⣬»¹»ýÀÛÁË´óÁ¿µÄÊý¾Ý£¬ÈçÀ´×ÔÒµÎñϵͳµÄ¶© ......
Êý¾Ý¿âÉè¼Æ¾Ñé̸
Ò»¸ö³É¹¦µÄ¹ÜÀíϵͳ£¬ÊÇÓÉ£º[50% µÄÒµÎñ + 50% µÄÈí¼þ] Ëù×é³É£¬¶ø 50% µÄ³É¹¦Èí¼þÓÖÓÐ [25% µÄÊý¾Ý¿â + 25% µÄ³ÌÐò] Ëù×é³É£¬Êý¾Ý¿âÉè¼ÆµÄºÃ»µÊÇÒ»¸ö¹Ø¼ü¡£Èç¹û°ÑÆóÒµµÄÊý¾Ý±È×öÉúÃüËù±ØÐèµÄѪҺ£¬ÄÇôÊý¾Ý¿âµÄÉè¼Æ¾ÍÊÇÓ¦ÓÃÖÐ×îÖØÒªµÄÒ»²¿·Ö¡£ÓйØÊý¾Ý¿âÉè¼ÆµÄ²ÄÁϺ¹Å£³ä¶°£¬´óѧѧλ¿Î³ÌÀïÒ²ÓÐ ......
SQLÖÐonÌõ¼þÓëwhereÌõ¼þµÄÇø±ð
Êý¾Ý¿âÔÚͨ¹ýÁ¬½ÓÁ½ÕÅ»ò¶àÕűíÀ´·µ»Ø¼Ç¼ʱ£¬¶¼»áÉú³ÉÒ»ÕÅÖмäµÄÁÙʱ±í£¬È»ºóÔÙ½«ÕâÕÅÁÙʱ±í·µ»Ø¸øÓû§¡£
ÔÚʹÓÃleft jionʱ£¬onºÍwhereÌõ¼þµÄÇø±ðÈçÏ£º
1¡¢ onÌõ¼þÊÇÔÚÉú³ÉÁÙʱ±íʱʹÓõÄÌõ¼ ......