mysql 5.0´æ´¢¹ý³Ìѧϰ×ܽá
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
< &n
Ïà¹ØÎĵµ£º
Æô¶¯£ºnet start mySql;
½øÈ룺mysql -u root -p/mysql -h localhost -u root -p databaseName;
ÁгöÊý¾Ý¿â£ºshow databases;
Ñ¡ÔñÊý¾Ý¿â£ºuse databaseName;
Áгö±í¸ñ£ºshow tables£»
ÏÔʾ±í¸ñÁеÄÊôÐÔ£ºshow columns from tableName£»
½¨Á¢Êý¾Ý¿â£ºsource fileNa ......
ÔÚÍøÕ¾½¨Éè»òÕßÔËÓªÖУ¬Èç¹û MySQL server ÊǷdz£·±Ã¦£¬¿ÉÒÔ¿ªÆô query cache ÒÔ¼ÓËÙ»ØӦʱ¼ä£¬¿ªÆô·½·¨¿ÉÒÔÔÚ my.cnf 裡Ãæ¼ÓÈëÒÔÏÂÏîÄ¿: (Redhat ÏÂÃæÊÇ /etc/my.cnf£»Debian ÊÇÔÚ etc/mysql
/my.cnf).
query_cache_size = 64M
query_cache_type = 1
query_cache_limit = 1048576
ÒÔÉÏÓï·¨µÄÉ趨ÀïÃ棬 ......
ÕâÀï½éÉÜÒ»¸ö¼¯³É»·¾³ XAMPP¡£
XAMPP ÊÇÒ»¸öÒ×ÓÚ°²×°ÇÒ°üº¬ MySQL¡¢PHP ºÍ Perl µÄ Apache ·¢Ðа档XAMPP µÄÈ··Ç³£ÈÝÒ×°²×°ºÍʹÓãºÖ»ÐèÏÂÔØ£¬½âѹËõ£¬Æô¶¯¼´¿É¡£
ÏÂÔصØÖ·£º
http://www.apachefriends.org/zh_cn/xampp.html
µ½Ä¿Ç°ÎªÖ¹£¬XAMPP ¹²ÓÐÒÔÏÂËÄÖÖ°æ±¾£º
£¨1£©ÊÊÓÃÓÚ Linux µÄ XAMPP
£¨2£©ÊÊÓÃÓÚ Windows µ ......
½â¾ö·½·¨(ת)£º---µ«Ö´ÐеÚÒ»Öְ취ʱ³öÏÖ´íÎ󣬵ڶþÖÖ°ì·¨³É¹¦
1¡£¸Ä±í·¨¡£¿ÉÄÜÊÇÄãµÄÕʺŲ»ÔÊÐí´ÓÔ¶³ÌµÇ½£¬Ö»ÄÜÔÚlocalhost¡£Õâ¸öʱºòÖ»ÒªÔÚlocalhostµÄÄÇ̨µçÄÔ£¬µÇÈëmysqlºó£¬¸ü¸Ä "mysql" Êý¾Ý¿âÀïµÄ "user" ±íÀïµÄ "host" Ï´Ó"localhost"¸Ä³Æ"%"
mysql -u root -pvmwaremysql>use mysql;mysql>update use ......
ÏîÄ¿Òª½áÊøÁË...ÖÁÉÙ¿ª·¢Òª½áÊøÁË...
»ØÍ·¿´¿´×Ô¼º¾ÍÕâôһ¸öÈËÂñÍ·¿ª·¢ÁË4¸öÔ£¬ÒÔ¼°ÊÖÉÏÄõ½µÄÓë×Ô¼º¸¶³öÍêÈ«²»³ÉÕý±ÈµÄ΢±¡¹¤×Ê£¬¾õµÃ×Ô¼ºÕætmdµÄ±¯¾ç£¡
»òÐíÕâ¾ÍÊÇÓ¦½ì±ÏÒµÉúµÄÃü°É...¶÷£¬ÏÖÔÚÎÒÒѾ²»ÊÇÓ¦½ì±ÏÒµÉúÁË...
ÏÖÔÚÏîÄ¿×öÍêÁË£¬ÎÒÒ²¾¡µ½ÁËÉÆʼÉÆÖÕµÄÒåÎñÁË...
¿àË®¾Íµ¹µ½ÕâÀ»¹ÊǻعéÕýÌâ¡£
ÓÉÓ ......