sql×Ö·û´®Ä£Ê½Æ¥Åä
MySQLÌṩ±ê×¼µÄSQLģʽƥÅ䣬ÒÔ¼°Ò»ÖÖ»ùÓÚÏóUnixʵÓóÌÐòÈçvi¡¢grepºÍsedµÄÀ©Õ¹ÕýÔò±í´ïʽģʽƥÅäµÄ¸ñʽ¡£ ±ê×¼µÄSQLģʽƥÅä
SQLµÄģʽƥÅäÔÊÐíÄãʹÓÓ_”Æ¥ÅäÈκε¥¸ö×Ö·û£¬¶ø“%”Æ¥ÅäÈÎÒâÊýÄ¿×Ö·û(°üÀ¨Áã¸ö×Ö·û)¡£ÔÚ MySQLÖУ¬SQLµÄģʽȱʡÊǺöÂÔ´óСдµÄ¡£ÏÂÃæÏÔʾһЩÀý×Ó¡£×¢ÒâÔÚÄãʹÓÃSQLģʽʱ£¬Äã²»ÄÜʹÓÃ=»ò!=£»¶øʹÓÃLIKE»òNOT LIKE±È½Ï²Ù×÷·û¡£
ÀýÈ磬ÔÚ±ípetÖУ¬ÎªÁËÕÒ³öÒÔ“b”¿ªÍ·µÄÃû×Ö£º
mysql> SELECT * from pet WHERE name LIKE
"b%";
+--------+--------+---------+------+------------+------------+
| name | owner | species | sex | birth | death |
+--------+--------+---------+------+------------+------------+
| Buffy | Harold | dog | f | 1989-05-13 | NULL |
| Bowser | Diane | dog | m | 1989-08-31 | 1995-07-29 |
+--------+--------+---------+------+------------+------------+
ΪÁËÕÒ³öÒÔ“fy”½áβµÄÃû×Ö£º
mysql> SELECT * from pet WHERE name LIKE
"%fy";
+--------+--------+---------+------+------------+-------+
| name | owner | species | sex | birth | death |
+--------+--------+---------+------+------------+-------+
| Fluffy | Harold | cat | f | 1993-02-04 | NULL |
| Buffy | Harold | dog | f | 1989-05-13 | NULL |
+--------+--------+---------+------+------------+-------+
ΪÁËÕÒ³ö°üº¬Ò»¸ö“w”µÄÃû×Ö£º
mysql> SELECT * from pet WHERE name LIKE
"%w%";
+----------+-------+---------+------+------------+------------+
| name | owner | species | sex | birth | death |
+----------+-------+---------+------+------------+------------+
|
Ïà¹ØÎĵµ£º
SQL SERVER¶¨Ê±×÷ÒµµÄÉèÖ÷½·¨
תÌù×Ô£º http://www.cnblogs.com/stephencat/archive/2006/08/24/484918.html
Èç¹ûÔÚSQL Server ÀïÐèÒª¶¨Ê±»òÕßÿ¸ôÒ»¶Îʱ¼äÖ´ÐÐij¸ö´æ´¢¹ý³Ì»ò3200×Ö·ûÒÔÄÚµÄSQLÓï¾äʱ,
¿ÉÒÔÓùÜÀí->SQL Server´úÀí->×÷ÒµÀ´ÊµÏÖ¡£
1¡¢¹ ......
µÚÒ»½Ú¡¢SQL×¢ÈëµÄÒ»°ã²½Öè
Ê×ÏÈ£¬Åжϻ·¾³£¬Ñ°ÕÒ×¢Èëµã£¬ÅжÏÊý¾Ý¿âÀàÐÍ£¬ÕâÔÚÈëÃÅƪÒѾ½²¹ýÁË¡£
Æä´Î£¬¸ù¾Ý×¢Èë²ÎÊýÀàÐÍ£¬ÔÚÄÔº£ÖÐÖع¹SQLÓï¾äµÄÔò£¬°´²ÎÊýÀàÐÍÖ÷Òª·ÖΪÏÂÃæÈýÖÖ£º
(A) ID=49 ÕâÀà×¢ÈëµÄ²ÎÊýÊÇÊý×ÖÐÍ£¬SQLÓï¾äÔò´óÖÂÈçÏ£º
Select * from ±íÃû where ×Ö¶Î=49
×¢ÈëµÄ²ÎÊýΪID=49 And [²é ......
¿´ÍêÈëÃÅƪºÍ½ø½×ƪºó£¬ÉÔ¼ÓÁ·Ï°£¬ÆƽâÒ»°ãµÄÍøÕ¾ÊÇûÎÊÌâÁË¡£µ«Èç¹ûÅöµ½±íÃûÁÐÃû²Â²»µ½£¬»ò³ÌÐò×÷Õß¹ýÂËÁËһЩÌØÊâ×Ö·û£¬ÔõôÌá¸ß×¢ÈëµÄ³É¹¦ÂÊ£¿ÔõôÑùÌá¸ß²Â½âЧÂÊ£¿Çë´ó¼Ò½Ó×ÅÍùÏ¿´¸ß¼¶Æª¡£
µÚÒ»½Ú¡¢ÀûÓÃϵͳ±í×¢ÈëSQLServerÊý¾Ý¿â
SQLServerÊÇÒ»¸ö¹¦ÄÜÇ¿´óµÄÊý¾Ý¿âϵͳ£¬Óë²Ù×÷ϵͳҲÓнôÃܵÄÁªÏµ£¬Õâ¸ø¿ª·¢ ......
ÔÎÄ´«ËÍÃÅ£ºhttp://topic.csdn.net/u/20091119/17/388cd1dd-4018-403f-a97f-0bc135895264.html?85256
Êý¾Ý¿âÀýÈç:
id ÐÕ Ãû ½± ½ð
1 ÕÅÈý 20Íò
2 ÀîËÄ 10Íò
3   ......
´Ó sql server 2000 ÖÐÌáÈ¡×Ö¶Î˵Ã÷ÎÄ×Ö
SELECT
[Table Name] = i_s.TABLE_NAME,
[Column Name] = i_s.COLUMN_NAME,
[Description] = s.value
from
INFORMATION_SCHEMA.COLUMNS i_s
LEFT OUTER JOIN ......