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/*
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ÔËÐл·¾³1:microsoft sqlserver 2000 ²éѯ·ÖÎöÆ÷
ÔËÐл·¾³2:mysql5.0 phpMyAdminÍøÒ³½çÃæ
ÔËÐл·¾³3:oracle 9i SQL*PLUSÃüÁîÐнçÃæ
author£ºchinayaosir
blog: http://blog.csdn.net/chinayaosir/
QQ: 44633197
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*/
/******************************************************************************/
/*script test ok with microsoft sqlserver 2000 ²éѯ·ÖÎöÆ÷ */
/******************************************************************************/
/*DB:MSSQL2000 SCRIPT*/
/*0.drop table list*/
drop table Employee;
drop table Department;
drop table Post;
drop table Account;
/*********************************************************/
/*DB:MSSQL2000 SCRIPT*/
/*1.create all table*/
create table Account(
oid int not null,
username varchar(30) not null,
password varchar(10) null,
invalid varchar(1) null
);
create table bab.Post(
/*oid int identity(1,1) not null primary key,*/
oid int not null,
postName varchar(30) not null
);
create table Department(
oid int not null,
deptName varchar(30) not null,
parentid int null,
manager varchar(30) null,
email varchar(30) null
);
create
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¶ÔÓÚORACLEÊý¾Ý¿âµÄÊý¾Ý´æÈ¡£¬Ö÷ÒªÓÐËĸö²»Í¬µÄµ÷Õû¼¶±ð£¬µÚÒ»¼¶µ÷ÕûÊDzÙ×÷ϵͳ¼¶°üÀ¨Ó²¼þƽ̨,µÚ¶þ¼¶µ÷ÕûÊÇORACLE RDBMS¼¶µÄµ÷Õû,µÚÈý¼¶ÊÇÊý¾Ý¿âÉè¼Æ¼¶µÄµ÷Õû,×îºóÒ»¸öµ÷Õû¼¶ÊÇSQL¼¶¡£Í¨³£ÒÀ´ËËļ¶µ÷Õû¼¶±ð¶ÔÊý¾Ý¿â½øÐе÷Õû¡¢ÓÅ»¯£¬Êý¾Ý¿âµÄÕûÌåÐÔÄÜ»áµÃµ½ºÜ´óµÄ¸ÄÉÆ¡£ÏÂÃæ´Ó¼¸¸ö²»Í¬·½Ã ......
ÓÃOracle9i×Ô´øµÄÆóÒµ¹ÜÀíÆ÷»òPL/SQLͼÐλ¯µÄ·½·¨´´½¨±í¿Õ¼äºÍÓû§ÒÔ¼°·ÖÅäȨÏÞÊÇÏà¶Ô±È½Ï¼òµ¥µÄ£¬±¾ÎÄÒª½éÉܵÄÊÇÁíÒ»ÖÖ·½·¨£¬Ê¹ÓÃOracle 9iËù´øµÄÃüÁîÐй¤¾ß£ºSQLPLUSÀ´´´½¨±í¿Õ¼ä£¬Õâ¸ö·½·¨ÓÃÆðÀ´¸ü¼Ó¼òÃ÷¿ì½Ý¡£
¼ÙÉè ......
1. ¸´ÖƱí½á¹¹¼°ÆäÊý¾Ý£º
create table table_name_new as select * from table_name_old
2. Ö»¸´ÖƱí½á¹¹£º
create table table_name_new as select * from table_name_old where 1=2;
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create table table_name_new like table_name_old
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insert into table_name_ ......
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1¡¢½¨Á¢ÐµÄLANDÓû§£¬ÔÚ·þÎñÆ÷µÄOracle Enterprise ManagerÀï·ÖÅä ¶ÔÏóȨÏÞ £¬Ìí¼Ó¶ÔsystemÖÐÊý¾Ý±í¶ÔÏóµÄ select ȨÏÞ¡£
2¡¢ÒÔ LAND Óû§µÇ¼£¬Ê¹ÓÃÃüÁ ......
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 foll ......