[תÔØ]Oracle´æ´¢¹ý³Ìѧϰ
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create or replace procedure ´æ´¢¹ý³ÌÃû£¨param1 in type£¬param2 out type£©
as
±äÁ¿1 ÀàÐÍ£¨Öµ·¶Î§£©;
±äÁ¿2 ÀàÐÍ£¨Öµ·¶Î§£©;
Begin
Select count(*) into ±äÁ¿1 from ±íA whereÁÐÃû=param1£»
If (ÅжÏÌõ¼þ) then
Select ÁÐÃû into ±äÁ¿2 from ±íA whereÁÐÃû=param1£»
Dbms_output¡£Put_line(‘´òÓ¡ÐÅÏ¢’);
Elsif (ÅжÏÌõ¼þ) then
Dbms_output¡£Put_line(‘´òÓ¡ÐÅÏ¢’);
Else
Raise Òì³£Ãû£¨NO_DATA_FOUND£©;
End if;
Exception
When others then
Rollback;
End;
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2£¬ ±äÁ¿´øÈ¡Öµ·¶Î§£¬ºóÃæ½Ó·ÖºÅ
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4£¬ ÓÃselect ¡£¡£¡£into¡£¡£¡£¸ø±äÁ¿¸³Öµ
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ACCESS_INTO_NULL 䶨Òå¶ÔÏó
CASE_NOT_FOUND CASE ÖÐÈôδ°üº¬ÏàÓ¦µÄ WHEN £¬²¢ÇÒûÓÐÉèÖÃ
ELSE ʱ
COLLECTION_IS_NULL ¼¯ºÏÔªËØδ³õʼ»¯
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DUP_VAL_ON_INDEX ΨһË÷Òý¶ÔÓ¦µÄÁÐÉÏÓÐÖظ´µÄÖµ
INVALID_CURSOR
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ORA-12514: TNS:listener could not resolve SERVICE_NAME given in connect descriptor
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Oracle ´æ´¢¹ý³Ì·µ»Ø½á¹û¼¯Óà ref cursor ʵÏÖ¡£
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1. ½¨Á¢ ref cursor ÀàÐͺ͹ý³Ì
CREATE OR REPLACE PACKAGE types
AS
TYPE ref_cursor IS REF CURSOR;
END;
/
CREATE TABLE STOCK_PRICES(
RIC VARCHAR(6) PRIMARY KEY,
PRICE NUMBER(7 ......
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