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mysql 5.0´æ´¢¹ý³Ìѧϰ×ܽá
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create procedure sp_name()
begin
………
end
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1.»ù±¾Óï·¨£ºcall sp_name()
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drop procedure sp_name//
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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] ;
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1.show procedure status
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2.show create procedure sp_name
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+ 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
% ȡģ SET var6=10%3 ; 1
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< СÓÚ 2<1 False
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1¡¢µÇ½MySQL:
mysql -u root -p
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select user,host,password from mysql.user;
select user,host from mysql.user;
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set password for root@localhost=password('
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');
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·½·¨1£ºmysqladmin -u root -p password newpassword
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