mysql 5.0´æ´¢¹ý³Ìѧϰ×ܽá
mysql 5.0´æ´¢¹ý³Ìѧϰ×ܽá
mysql´æ´¢¹ý³ÌµÄ´´½¨£¬É¾³ý£¬µ÷Óü°ÆäËû³£ÓÃÃüÁî
mysql 5.0´æ´¢¹ý³Ìѧϰ×ܽá
Ò».´´½¨´æ´¢¹ý³Ì
1.»ù±¾Óï·¨£º
create procedure sp_name()
begin
………
end
2.²ÎÊý´«µÝ
¶þ.µ÷Óô洢¹ý³Ì
1.»ù±¾Óï·¨£ºcall sp_name()
×¢Ò⣺´æ´¢¹ý³ÌÃû³ÆºóÃæ±ØÐë¼ÓÀ¨ºÅ£¬ÄÄŸô洢¹ý³ÌûÓвÎÊý´«µÝ
Èý.ɾ³ý´æ´¢¹ý³Ì
1.»ù±¾Óï·¨£º
drop procedure sp_name//
2.×¢ÒâÊÂÏî
(1)²»ÄÜÔÚÒ»¸ö´æ´¢¹ý³ÌÖÐɾ³ýÁíÒ»¸ö´æ´¢¹ý³Ì£¬Ö»Äܵ÷ÓÃÁíÒ»¸ö´æ´¢¹ý³Ì
ËÄ.Çø¿é£¬Ìõ¼þ£¬Ñ»·
1.Çø¿é¶¨Ò壬³£ÓÃ
begin
……
end;
Ò²¿ÉÒÔ¸øÇø¿éÆð±ðÃû£¬È磺
lable:begin
………..
end lable;
¿ÉÒÔÓÃleave lable;Ìø³öÇø¿é£¬Ö´ÐÐÇø¿éÒÔºóµÄ´úÂë
2.Ìõ¼þÓï¾ä
if Ìõ¼þ then
statement
else
statement
end if;
3.Ñ»·Óï¾ä
(1).whileÑ»·
[label:] WHILE expression DO
statements
END WHILE [label] ;
(2).loopÑ»·
[label:] LOOP
statements
END LOOP [label];
(3).repeat untilÑ»·
[label:] REPEAT
statements
UNTIL expression
END REPEAT [label] ;
Îå.ÆäËû³£ÓÃÃüÁî
1.show procedure status
ÏÔʾÊý¾Ý¿âÖÐËùÓд洢µÄ´æ´¢¹ý³Ì»ù±¾ÐÅÏ¢£¬°üÀ¨ËùÊôÊý¾Ý¿â£¬´æ´¢¹ý³ÌÃû³Æ£¬´´½¨Ê±¼äµÈ
2.show create procedure sp_name
ÏÔʾijһ¸ö´æ´¢¹ý³ÌµÄÏêϸÐÅÏ¢
mysql´æ´¢¹ý³ÌÖÐÒªÓõ½µÄÔËËã·û
mysql´æ´¢¹ý³Ìѧϰ×ܽᣲÙ×÷·û
ËãÊõÔËËã·û
+ ¼Ó SET var1=2+2; 4
- ¼õ SET var2=3-2; 1
* ³Ë SET var3=3*2; 6
/ ³ý SET var4=10/3; 3.3333
DIV Õû³ý SET var5=10 DIV 3; 3
% È¡Ä£ SET var6=10%3 ; 1
±È½ÏÔËËã·û
> ´óÓÚ 1>2 False
< СÓ
Ïà¹ØÎĵµ£º
ĬÈÏÇé¿öÏÂLinuxÄÚµÄmysqlÊý¾Ý¿âmysql.user±íÄÚµÄÓû§È¨ÏÞÖ»ÊǶÔlocalhost¼´±¾»ú²ÅÄܵǽ¡£ËùÒÔÐèÒª¸ü¸ÄȨÏÞ£¬·ñÔòÎÞ·¨Ê¹ÓÃMysql AdministratorÁ¬½Ó·þÎñÆ÷£¬»á·¢ÉúÈçÏÂËùʾµÄ´íÎó£º
MySQL Administrator 1.1.9ÅäÖÃ,Á¬½ÓmysqlÊý¾Ý¿â
Could no ......
ÎÊÌ⣺һ¿ªÊ¼ÎÒÓÃNavicat Lite for mysql ½«Êý¾Ý¿âת´æ´¢Î»sqlÎļþ¡£´ò¿ªÖ®ºó·¢ÏÖ£¬ÖÐÎĶ¼±ä³ÉÁËÂÒÂë¡£
ËùÒÔ ÔÚÍøÉÏËÑË÷ÁËЩ×ÊÁÏ¿´¿´¡£·¢¾õ´ó¼Ò¶¼ÊÇÓÃÃüÁîµ¼³öµÄ¡£ÓÃÁËÖ®ºó£¬ÖÐÎľͲ»ÂÒÂëÁË¡£½â¾öÁËÎÒµÄÒ»¸öÄÑÌâ¡£Ìش˼ÇÏ¡£
·½·¨:
Ê×ÏÈÈ·ÈÏ mysql·þÎñÊÇ¿ªÆôµÄ¡£
È»ºóµã“¿ªÊ¼”ÔËÐÐÊäÈëcmd£¬½øÈëDOS»·¾³¡£cd ......
MYSQL Castº¯Êý ÀàÐÍת»»
BINARY
BINARY²Ù×÷·û½«ºóÃæµÄ×Ö·û´®Å׸øÒ»¸ö¶þ½øÖÆ×Ö·û´®¡£ÕâÊÇÒ»ÖÖ¼òµ¥µÄ·½Ê½À´´ÙʹÖð×Ö½Ú¶ø²»ÊÇÖð×Ö·ûµÄ½øÐÐÁбȽϡ£ÕâʹµÃ±È½ÏÇø·Ö´óСд£¬¼´Ê¹¸ÃÁв»±»¶¨ÒåΪ BINARY»ò BLOB¡£BINARYÒ²»á²úÉú½áβ¿Õ°×£¬´Ó¶ø¸ü¼ÓÏÔÑÛ¡£
mysql> SELECT 'a' = 'A';
-> 1
mysql> SELECT BINARY ' ......
µÇ¼mysql slave·þÎñÆ÷£¬Ö´ÐÐshow slave statusÃüÁһ°ãÏÔʾÒÔϲÎÊýµÄ״̬£»
Slave_IO_State: Waiting for master to send event
Master_Host:192.168.0.1
Master_User:repl_user
Master_Port:3306
Connect_Retry:60
Master_Log_File:mysql-bin.000010
Read_Master_Log_Pos:2562541
Relay_Log_File:mysql-r ......