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1.»ù±¾Óï·¨£º
create procedure
sp_name()
begin
………
end
2.²ÎÊý´«µÝ
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1.»ù±¾Óï·¨£ºcall
sp_name()
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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
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mysql´æ´¢¹ý³ÌÖÐÒªÓõ½µÄÔËËã·û
mysql´æ´¢¹ý³Ìѧϰ×ܽᣭ²Ù×÷·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
%     ȡģ SET
var6=10%3 ;     1
±È½ÏÔËËã·û
>           
´óÓÚ 1>2 False
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