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SQL> create table t1
2 (
3 id number,
4 name varchar2(10)
5 )
6 ;
SQL> create sequence T1ID_SEQ
2 minvalue 1
3 maxvalue 999999
4 start with 1
5 increment by 1
6 cache 20
7 ;
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sql> create or replace trigger tr
before insert on table for each row
begin
select to_char(seq.nextval) into :new.id form dual;
end tr;
/
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ORACLE
CREATE OR REPLACE FUNCTION SETSTATE(OLDVALUE VARCHAR2, POS NUMBER, SVALUE VARCHAR2)
RETURN VARCHAR2
IS
RETURN_VALUE VARCHAR2 (20);
LEN NUMBER(8);
I NUMBER(8);
TEMP_VALUE VARCHAR2(1);
BEGIN
LEN := LENGTH(OLDVALUE);
IF POS > ......
The following are number examples for the to_char function.
to_char(1210.73, '9999.9')
would return '1210.7'
to_char(1210.73, '9,999.99')
would return '1,210.73'
to_char(1210.73, '$9,999.00')
would return '$1,210.73'
to_char(21, '000099')
would return '000021'
The following is a list ......
1)SQL ServerÁ´½Ó·þÎñÆ÷ Linked Server·½Ê½£¨SQLServer×÷ΪԴ·þÎñÆ÷£©£º
http://www.cnblogs.com/riccc/archive/2009/07/23/sql-server-linked-server.html
2)Oracle¸ß¼¶¸´ÖÆ£¨oracleÊý¾Ý¿âÖ®¼ä¸´ÖÆ£©£º
http://www.chinaunix.net/bbsjh/8/54.html
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snapshot
Replication ......