oracle ´æ´¢¹ý³ÌµÄ»ù±¾Óï·¨
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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create sequence type_id increment by 1 start with 1;
Õâ¾äÖУ¬type_idΪÐòÁкŵÄÃû³Æ£¬Ã¿´ÎÔö³¤Îª1£¬ÆðʼÐòºÅΪ1¡£
Èç¹ûҪɾ³ýÐòÁУ¬ÓÃdrop sequence ÐòÁÐÃû¾Í¿ÉÒÔÁË£¡£¡
ÐòÁпÉÒÔ±£Ö¤¶à¸öÓû§¶ÔÍ¬Ò»Õ ......
http://www.diybl.com/course/7_databases/oracle/oraclejs/2007614/52942.html
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Oracle 9i±È8i¶àÁËÄÄЩÐÂÌØÐÔ£¿
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9i¸üÒ×ÓÚ¹ÜÀí¡£
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²¢·¢¼¯Èº£¬8i OPSÉý¼¶Îª9i RAC£¬8i½áµã¼äÓÃÓ²Å̽»»»ÐÅÏ¢£¬9i½áµã¼ä²ÉÓøßËÙÍøÏߵĻº´æÈÛºÏ(Cache Fusion)¼¼Êõ½»»»ÐÅÏ¢£¬½»»»ËÙ¶ÈÌá¸ß100±¶ÒÔÉÏ¡£
9i¿ÉÒÔÔÚÏßÐÞ¸ÄÄں˲ÎÊýºÍÄÚ´æ·ÖÅä£ ......
--single line method
select ascii('A') Big_A from dual;
select chr(65) A, chr(122) z, chr(223) ch3 from dual;
select concat('sigo','way') from dual;
select initcap('sigoway') from dual;
select instr('ababab','a',-1,2), instr('ababab','a',1,3) from dual;
select instrb('ababab','a',1,3) from dua ......
1.´´½¨±í¿Õ¼ä
create tablespace test datafile'c:\test.dbf' size 10m; //Ãû×Ö²»ÒªÎªÊý×Ö
2.´´½¨Óû§
create user userName identified by password; //²»ÒªÎªÊý×Ö
3.¸øÓû§ÊÚȨ
grant dba to userName; --ÊÚÓèDBAȨÏÞ
grant unlimited tablespace to userName;--ÊÚÓè²»ÏÞÖƵıí¿Õ¼ä
grant sele ......