¸ßÊÖ°ïÎÒ¿´¿´¸ÃsqlÓï¾äÔõôд¡£¡£
ÓÐÁ½¸ö±í£¬
¹¤×ʱí gongzi
select emp_code,fenqi,gz form gongzi.´æ´¢ËùÓÐÔ±¹¤¹¤×ÊÐÅÏ¢¡£
emp_code fenqi gz
001 200905 2500
001 200906 2600
001 200907 2600
002 200905 2000
002 200906 2100
002 200907 2300
empcode = Ô±¹¤¹¤ºÅ Ö÷¼ü
fenqi = ÿÔÂ·ÖÆÚ Ö÷¼ü
gz = ÿÔÂ×ܹ¤×Ê
½±½ð±í
select emp_code ,date,money,rem form jiangjin
emp_code date money rem
001 2009-05-08 200 ÎåÒ»½±½ð
001 2009-05-31 400 ½±½ð
001 2009-06-15 100 ½±½ð
001 2009-06-19 150 ½±½ð
001 2009-06-30 100 ½±½ð
002 2009-05-08 300 ÎåÒ»½±½ð
002 2009-05-31 500 ½±½ð
002 2009-06-15 200 ½±½ð
002 2009-06-19 250 ½±½ð
002 2009-06-30 300 ½±½ð
emp_code = Ô±¹¤¹¤ºÅ£¬Ó빤×Ê±í¹ØÁª¡£¡£
date = ¼Ç¼½±½ðµ÷ÕûµÄÈÕÆÚ£¬Ò²±ØÐëÓ빤×ʱíµÄ·ÖÆÚ¹ØÁª¡£Èç200
Ïà¹ØÎÊ´ð£º
±¾ÈËc#ÐÂÊÖ ¿ÉÊÇÒªÇóÒªÓÃc# £¬sql2000¿ª·¢c/sµÄ¹¤×÷Á÷£¬Ò»Í·ÎíË®£¬Çë´ó¼Ò°ïæ°ï棬¸øµã˼·£¬ËµµÄÔ¼¾ßÌåÔ½ºÃ£¬ÎÒÒ²ºÃÍùÄǸö·½ÃæÈ¥Ñ§Ï°
http://www.hxzi.com/view/61402.html
B/S°æµÄ£¬»ù±¾Ë¼ÏëÓ¦¸Ã²î²»¶àµÄ¡£¡£ ......
ÎÒEXCELÖÐÒ»¸öµ¥Ôª¸ñµÄÊý¾ÝÈç "2009-01","8949-232"
½«Õâ¸öÊý¾ÝÕ³Ìùµ½PL/SQLÖеÄÒ»¸ö±íÖкó,Êý¾ÝÈ·ÊdzÉΪÁË 2009-01,8949-232 ,°ÑËùÓеÄ""¶¼Ã»ÁË,
ÈçºÎÅªÄØ?Çë´ó¼ÒÊÔ ......
½«Ò»¸ö±í21~30ɾ³ý£¬sqlÓï¾äÔõôд
Õâ¸öÌ«ÁýͳÁË£¬ÊÇÅÅÐòºóµÄµÚ21Ìõµ½30Ìõ¼Ç¼ɾ³ý»¹ÊÇijһÁÐÖµÔÚ21µ½30Ö®¼äµÄɾ³ý°¡£¿
21-30ÊÇʲôÒâ˼£¿×ֶεϰ¾Ídelete from table1 where col1>=21 and col1<=30
Ö¸µ ......
Êý¾Ý±í¡¾biao¡¿£¬
×ֶΣºid¡¢myname¡¢mytxt
mytxtÄÚÈݸñʽÐÎÈ磺n|abcd¡££¨ÀýÈ磺1|ÁõµÂ»ª£¬2|Èδﻪ£¬3|αÌϼ£¬4|Âõ¿Ë@½Ü¿ËÑ·£©
ÎÒÏÖÔÚÏ£Íû¶Á¼Ç¼³öÀ´ºó£¬°´ÕÕ[mytxt]×Ö¶ÎÀïµÄÊúÏߣ¨|£©Ç°ÃæµÄÄǸöÊý× ......
table1
Ãû³Æ Èë¿âÊý
CT»ú 3
CT»ú 5
X¹â»ú 4 ......