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mysql 5.0´æ´¢¹ý³Ìѧϰ×ܽá
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1.»ù±¾Óï·¨£º
create procedure
sp_name()
begin
………
end
2.²ÎÊý´«µÝ
¶þ.µ÷Óô洢¹ý³Ì
1.»ù±¾Óï·¨£ºcall
sp_name()
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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
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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
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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
±È½ÏÔËËã·û
>
´óÓÚ 1>2 False
< &n
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