msSql ÐÞ¸Äʱ¼ä×Ö¶Î - MS-SQL Server / »ù´¡Àà
±íA
SQL code:
autoID outDate type resultDate
1 2010-05-10 11£º12£º03 1 null
2 2010-05-10 15£º10£º03 0 null
3 2010-05-12 11£º12£º03 0 null
4 2010-05-14 11£º12£º03 1 null
5 2010-05-15 11£º12£º03 1 null
ÏÖÔÚÎÒÏë¸ü¸Ä±íAÀïµÄ resultDate ×Ö¶Î
Èç¹ûtypeΪ0£¬resultDate ¸ÄΪ outDate ¼ÓÉÏ20ÌìºóµÄ½á¹û
Èç¹ûtypeΪ1£¬resultDate ¸ÄΪ outDate ¼ÓÉÏ30ÌìºóµÄ½á¹û
Ð޸ĺóµÄ½á¹ûÓ¦¸ÃΪ£º
SQL code:
autoID outDate type resultDate
1 2010-05-10 11£º12£º03 1 2010-05-30 11£º12£º03
2 2010-05-10 15£º10£º03 0 2010-06-09 15£º10£º03
3 2010-05-12 11£º12£º03 0 2010-05-11 11£º12£º03
4 2010-05-14 11£º12£º03 1 2010-06-03 11£º12£º03
5 2010-05-15 11£º12£º03 1 2010-06-04 11£º12£º03
ÄÄλ֪µÀµÄ°ïÎÒ½â¾öÏÂ
лл
SQL code:
update ta
set resultDate=(case when [type]=0 then dateadd(day,2
Ïà¹ØÎÊ´ð£º
ÎÒÓжà¸ö±íA B C ½á¹¹ÊÇÒ»ÑùµÄ£¬¶¼ÓÐ2¸ö×Ö¶ÎnameºÍcontent,ÎÒÒªËÑË÷ËùÒÔ±íËùÓÐ×Ö¶ÎÖаüº¬¡°Öйú¡±µÄÄÚÈÝ Õâ¸öSQLÓï¾äÔõôд
ÈçºÎ½«¶à¸ö±íµÄ²éѯ½á¹ûÁ¬³ÉÒ»¸ö±í Õâ¸öSQLÓï¾äÔõôд ±íµÄ½á¹¹ÊÇÒ»ÑùµÄ
ÀýÈç£ ......
ÏÖÔÚÓÐÁ½ÕÅ±í£ºÎÄÕÂÖ÷±íA(articleId,articleTitle)£¬ÎÄÕÂÆÀÂÛ±íB(commentId,articleId,commentTitle)
ÏÖÔÚÎÒÏëʵÏÖÕâÑùµÄ¹¦ÄÜ£ºÁгöÎÄÕÂÁÐ±í£¬ÆäÖÐÿƪÎÄÕ±êÌâÏÂÃæÁгö´ËÎÄÕµÄǰ2¸öÎÄÕÂÆÀÂÛ£¬ÇëÎÊsqlÓï¾äÔõôд°¡ ......
ÓÐTABLEA ×Ö¶ÎΪ ²É¹ºµ¥ºÅ¡¢Ðкš¢ÎïÁϱàÂë¡¢Èë¿âÈÕÆÚ
ÏÖÏë°´ÕÕÎïÁϱàÂë²éѯ×î´óÈë¿âÈÕÆÚ
Óï¾äÈçÏ£º
SELECT ²É¹ºµ¥ºÅ¡¢Ðкš¢ÎïÁϱàÂë¡¢Èë¿âÈÕÆÚ from TABLEA A WHERE Èë¿âÈÕÆÚ=(SELECT MAX(Èë¿âÈÕÆÚ ......
ÔSQLÓï¾äSQL code:
SELECT t6.FName '²Ù×÷¹¤',t1.FDate 'ÈÕÆÚ',t5.FName 'ÖÆµ¥ÈË',t3.FName 'É豸',t4.FName '°àÖÆ',
t7.FBillNo '¹¤ÒÕÖ¸Áîµ¥ºÅ',t8.FName '¸Úλ',t2. ......