oracle record¡¢rowtypeʾÀý
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create or replace procedure pro_test_record(vid in varchar2) is
type userRow is record(
id t_user.id%type,
name t_user.name%type
);
realRow userRow;
begin
select id,name into realRow from t_user where id=vid;
dbms_output.put_line(realRow.id||','||realRow.name);
end pro_test_record;
rowtypeʾÀý£º
create or replace procedure pro_test_rowType(vid in varchar2) is
userRow t_user%Rowtype;
begin
select * into userRow from t_user where id=vid;
dbms_output.put_line(userRow.id||','||userRow.name);
end pro_test_rowType;
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1.DQL£¨data quary language Êý¾Ý²éѯÓïÑÔ£©
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3.DML£¨data manipulation language Êý¾Ý²Ù×ÝÓïÑÔ£©
INSERT
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Date
Timestamp
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Timestamp With Local Time Zone
Interval Year To Month
Interval Day To Second
DateÀàÐÍÓÃÓÚ´æ´¢ÈÕÆÚ£¬¾«È·µ½Ã룬¿ÉÄÜͨ¹ýÉèÖÃNLS_DATE_FORMAT»òÕßTO_CHAR·½·¨À´¸ñʽ»¯ÈÕÆÚµÄÊ ......
dc-test2<oracle>sqlplus /nolog
SQL*Plus: Release 10.2.0.4.0 - Production on Thu Feb 25 22:44:25 2010
Copyright (c) 1982, 2007, Oracle. All Rights Reserved.
SQL> conn / as sysdba
Connected.
SQL> define
DEFINE _DATE = ......
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1.Y»òYY»òYYY ÄêµÄ×îºóһ룬Á½Î»»òÈýλ
SQL> Select to_char(sysdate,'Y') from dual;
TO_CHAR(SYSDATE,'Y')
--------------------
7
SQL> Select to_char(sysdate,'YY') from dual;
TO_CHAR(SYSDATE,'YY')
---------------------
07
SQL> Select to_ch ......