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http://topic.csdn.net/t/20040818/16/3287013.html
1.»ù±¾½á¹¹
CREATE OR REPLACE PROCEDURE ´æ´¢¹ý³ÌÃû×Ö
(
²ÎÊý1 IN NUMBER,
²ÎÊý2 IN NUMBER
) IS|AS
±äÁ¿1 INTEGER :=0;
±äÁ¿2 DATE;
BEGIN
END ´æ´¢¹ý³ÌÃû×Ö
˵Ã÷£ºisÒ²¿É»»³Éas
2.SELECT INTO STATEMENT
½«select²éѯµÄ½á¹û´æÈëµ½±äÁ¿ÖУ¬¿ÉÒÔͬʱ½«¶à¸öÁд洢¶à¸ö±äÁ¿ÖУ¬±ØÐëÓÐÒ»Ìõ
¼Ç¼£¬·ñÔòÅ׳öÒì³£(Èç¹ûûÓмǼÅ׳öNO_DATA_FOUND)
Àý×Ó£º
BEGIN
SELECT col1,col2 into ±äÁ¿1,±äÁ¿2 from typestruct where xxx;
EXCEPTION
WHEN NO_DATA_FOUND THEN
xxxx;
END;
...
3.IF ÅжÏ
IF V_TEST=1 THEN
BEGIN
do something
END;
END IF;
4.while Ñ»·
WHILE V_TEST=1 LOOP
BEGIN
XXXX
END;
END LOOP;
µ¥Ñ»·£º
LOOP
statements
END LOOP;
//һֱѻ·Óï¾ä¶Î,³ý·ÇÏÔʾµÄÊäÈëEXIT / EXIT WHEN Óï¾ä½áÊøÑ»·
WHILEÑ»·£º
WHILE condition LOOP
statements
END LOOP;
example:
count:=0;
WHILE counter<6 LOOP
count :=count + 1 ;
END LOOP ;
5.for Ñ»·
FOR loop_variable IN [REVERSE] lower_bound..upper_bound LOOP
statements;
END LOOP;
example:
FOR id IN 3..6 LOOP
DBMS_OUTPUT.PUT_LINE(id);
END LOOP;
6.±äÁ¿¸³Öµ
V_TEST := 123;
±äÁ¿Ãû ±äÁ¿ÀàÐÍ £»/ £º = [³õʼÊýÖµ] £»
id INTEGER ;
name VARCHAR2(20) :='BinMing';
* proname product.price%TYPE ; // (%TYPE) ±íʾproname µÄÀàÐÍÒªºÍproduct±íÖеÄpriceµÄÀ
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