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1.»ù±¾½á¹¹
CREATE OR REPLACE PROCEDURE ´æ´¢¹ý³ÌÃû×Ö
(
²ÎÊý1 IN NUMBER,
²ÎÊý2 IN NUMBER
) IS
±äÁ¿1 INTEGER :=0;
±äÁ¿2 DATE;
BEGIN
END ´æ´¢¹ý³ÌÃû×Ö
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;
5.±äÁ¿¸³Öµ
V_TEST := 123;
6.ÓÃfor in ʹÓÃcursor
...
IS
CURSOR cur IS SELECT * from xxx;
BEGIN
FOR cur_result in cur LOOP
BEGIN
V_SUM :=cur_result.ÁÐÃû1+cur_result.ÁÐÃû2
END;
END LOOP;
END;
7.´ø²ÎÊýµÄcursor
CURSOR C_USER(C_ID NUMBER) IS SELECT NAME from USER WHERE TYPEID=C_ID;
OPEN C_USER(±äÁ¿Öµ);
LOOP
FETCH C_USER INTO V_NAME;
EXIT FETCH C_USER%NOTFOUND;
do something
END LOOP;
CLOSE C_USER;
8.ÓÃpl/sql developer debug
Á¬½ÓÊý¾Ý¿âºó½¨Á¢Ò»¸öTest WINDOW
ÔÚ´°¿ÚÊäÈëµ÷ÓÃSPµÄ´úÂë,F9¿ªÊ¼debug,CTRL+Nµ¥²½µ÷ÊÔ
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select a.appname from appinfo as a;-- ´íÎó
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import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
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