SQL ¶ÔÏóÃûÎÞЧ
Á¬½ÓÒѾ½¨Á¢ÆðÀ´ÁË£¬ÏÖÔÚÏë²åÈëÓï¾ä£¬
vcÖеÄÓï¾äÊÇ
CString sql="Insert into car(a,b,c) VALUES('W','W','W')";
m_db.ExecuteSQL(sql);
ÔËÐÐʱÌáʾ´íÎ󣺶ÔÏóÃû'car'ÎÞЧ¡£
ÉÏÍø²éÁËһЩ×ÊÁÏ£¬Ëµ¿ÉÄÜÊÇÓû§ÃûµÄÎÊÌ⣬µ«ÊÇÔõô½â¾ö˵µÄÓÖ²»Çå³þ£»Çëǰ±²ÃÇÃ÷ʾ£¡
ÊDz»ÊÇûÓÐÕâ¸ö±í°¡
ûȨÏÞ£¬Ö´ÐÐϱßÓï¾ä¸³È¨
SQL code:
--ΪµÇ¼ÔÚµ±Ç°Êý¾Ý¿âÌí¼Ó·ÃÎÊȨÏÞ
USE Êý¾Ý¿â
EXEC sp_grantdbaccess 'Óû§Ãû','Óû§Ãû'
--Ìí¼Óµ½db_owner
EXEC sp_addrolemember 'db_owner','Óû§Ãû'
ºÜÃ÷ÏÔÊÇÕÒ²»µ½±í
1¿âÀïûÕâ¸ö±í
2Â¥Ö÷Á¬´í¿âÁË
ÎÊÌâ½â¾öÁË£¬ÔÀ´ÊÇȨÏÞµÄÎÊÌ⣻saÓû§Ä¬ÈϵÄÊý¾Ý¿âÊÇmaster£¬°ÑËü¸Ä³É×Ô¼ºµÄÊý¾Ý¿â¾Í¿ÉÒÔÁË¡£¡£Ð»Ð»¸÷λָµã£¡
Ŷ
Â¥Ö÷£¬Õâ½ÐÁ¬´íÊý¾Ý¿âÁË£¬ºÃÂð£¿
Ïà¹ØÎÊ´ð£º
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 ......
sql¿ÉÒÔÓÐÁ½¸öÒÔÉϵĴ¥·¢Æ÷Â𣿣¿ÎÒÖ¸µÄÊÇfor´¥·¢Æ÷£¬ÄÇÆäËûµÄÄØ£¿£¿
ʲôÒâ˼£¿
¿ÉÒÔµÄ
10¸ö¶¼Ã»ÎÊÌâ
¿ÉÊÇÎÒдÁËÁ½¸öfor insert ´¥·¢Æ÷£¬Ôì³É½ø³Ì×èÈûÁËÄØ£¿Ôõô°ìÄØ£¿Çë¸ßÈËÖ¸µã
......
СµÜÕý×¼±¸×Ô¼ºÌáǰѧϰÊý¾Ý¿â£¬µ«ÊÇÏÖÔÚÓиöÎÊÌ⣬²»ÖªµÀ¸ÃÑ¡Ôñʲô°æ±¾µÄSQL
ѧУÒÔºóµÄÊéºÃÏñ½²SQLÓõÄÊÇSQL 2000£¬µ«ÊÇÎÒµÄϵͳÊÇWindows 7£¬Ã²ËƲ»ÄÜ×°£¬Ò²²»Ïë»»»ØXP£¨07Äê¾Í²»ÓÃXPÀ²£©£¬ËùÒÔÔÚÏ룬ÄÜ· ......
table1:
uID uName
1 СÀî
2 СÕÅ
table2:
pID uID type
1 1 H1
2   ......
ÔÚOracleÖУ¬ÎÒÏë²éϵͳʱ¼äÒ»ÌìµÄÊý¾Ý£¬Ê¹ÓÃÕâ¸öÓï¾ä
select * from tablename
where create_time>SYSDATE-1
and create_time <SYSDATE
ÎÒÏë²é×òÌì00£º00µ½½ñÌì00£º00µÄsqlÔõôд£¬
» ......