phpmyadmin ÐÞ¸ÄÖ´ÐÐsqlÎļþ´óСÏÞÖÆ
phpmyadmin ÐÞ¸ÄÖ´ÐÐsqlÎļþ´óСÏÞÖÆ
´ò¿ªphp.ini
post_max_size = 100M ; ±íµ¥Ìá½»Îļþ´óСÉÏÏÞ
memory_limit = 128M ; ÄÚ´æÉÏÏÞ
upload_max_filesize = 100M ; ÉÏ´«Îļþ´óСÉÏÏÞ
ÐÞ¸ÄÒÔÉÏÈýÏ¾Í¿ÉÒÔ½â¾ö¡£ µ«ÊÇ´ËʱPHPMYADMINÖÐ×î´óÏÞÖÆ£º22,528 KB£¬ÈÔ²»»á±ä£¬²»ÓùÜËü£¬ ÏÖÔھͿÉÒÔÖ´ÐÐÁË¡£ ÉÏÏÞÊÇ100M¡£
Ïà¹ØÎĵµ£º
1.Ñ¡Ôñ×îÓÐЧÂʵıíÃû˳Ðò(Ö»ÔÚ»ùÓÚ¹æÔòµÄÓÅ»¯Æ÷ÖÐÓÐЧ)¡¡¡¡
¡¡¡¡ SQLSERVERµÄ½âÎöÆ÷°´ÕÕ´ÓÓÒµ½×óµÄ˳Ðò´¦Àífrom×Ó¾äÖеıíÃû£¬Òò´Ëfrom×Ó¾äÖÐдÔÚ×îºóµÄ±í£¨»ù´¡±ídriving table£©½«±»×îÏÈ´¦Àí£¬ÔÚfrom×Ó¾äÖаüº¬¶à¸ö±íµÄÇé¿öÏ£¬±ØÐëÑ¡Ôñ¼Ç¼ÌõÊý×îÉٵıí×÷Ϊ»ù´¡±í£¬µ±SQLSERVER´¦Àí¶à¸ö±íʱ£¬»áÔËÓÃÅÅÐò¼°ºÏ²¢µÄ·½Ê½Á ......
Èç¹ûÄã¾³£Óöµ½ÏÂÃæµÄÎÊÌ⣬Äã¾ÍÒª¿¼ÂÇʹÓÃSQL ServerµÄÄ£°åÀ´Ð´¹æ·¶µÄSQLÓï¾äÁË£º
SQL³õѧÕß¡£
¾³£Íü¼Ç³£ÓõÄDML»òÊÇDDL SQL Óï¾ä¡£
ÔÚ¶àÈË¿ª·¢Î¬»¤µÄSQLÖУ¬Ã¿¸öÈ˶¼ÓÐ×Ô¼ºµÄSQLϰ¹ß£¬Ã»ÓÐÒ»Ì×ͳһµÄ¹æ·¶¡£
ÔÚSQL Server Management StudioÖУ¬ÒѾ¸ø´ó¼ÒÌṩÁ˺ܶೣÓõÄÏÖ³ÉSQL¹æ·¶Ä£°å¡£
SQL Server Management ......
£¨18£©ÓÃEXISTSÌæ»»DISTINCT£º
µ±Ìá½»Ò»¸ö°üº¬Ò»¶Ô¶à±íÐÅÏ¢(±ÈÈ粿ÃűíºÍ¹ÍÔ±±í)µÄ²éѯʱ,±ÜÃâÔÚSELECT×Ó¾äÖÐʹÓÃDISTINCT¡£Ò»°ã¿ÉÒÔ¿¼ÂÇÓÃEXISTÌæ»», EXISTS ʹ²éѯ¸üΪѸËÙ,ÒòΪRDBMSºËÐÄÄ£¿é½«ÔÚ×Ó²éѯµÄÌõ¼þÒ»µ©Âú×ãºó,Á¢¿Ì·µ»Ø½á¹û¡£Àý×Ó£º
(µÍЧ):
SELECT DISTINCT DEPT_NO,DEPT_NAME  ......
CURSOR
==================================
l SQL ÓαêCURSORµÄʹÓÃ
ʹÓÃÆðÀ´ºÜ¼òµ¥£¬Ïȶ¨Ò壬Ȼºó¸³¸öÖµ£¬´ò¿ª£¬Í¨¹ýWhile Loop Ò»¸öÒ»¸ö¶ÁÏÂÈ¥£¬×îºó¹Ø±Õ£¬ÊÍ·ÅÄÚ´æ¡£»ù±¾Ì×·ÈçÏ£º
DECLARE MyCursor cursor /* ÉùÃ÷Óα꣬ĬÈÏΪµ¥´¿ÏòǰµÄÓαꡣÈç¹ûÏëҪǰºóÌøÀ´ÌøÈ¥µÄ£¬Ð´³ÉScroll Cursor¼ ......
1.ÈçºÎ´´½¨Êý¾Ý¿â
CREATE DATABASE student
2.ÈçºÎɾ³ýÊý¾Ý¿â
DROP DATABASE student
3.ÈçºÎ±¸·ÝÊý¾Ý¿âµ½´ÅÅÌÎļþ
BACKUP DATABASE student to disk=´c:S4.bak´
4.ÈçºÎ´Ó´ÅÅÌÎļþ»¹ÔÊý¾Ý¿â
RESTORE DATABASE studnet from DISK = ´c:S4.bak´
5.ÔõÑù´´½¨±í£¿
CREATE TABLE Students (
&n ......