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use master--ϵͳ±í£¬ËùÓд´½¨µÄÊý¾Ý¿â¾ùÔڴ˱»¼Ç¼
go
--¼ì²âÊÇ·ñÒѾ­´æÔÚRetaDBÕâ¸öÊý¾Ý¿â£¬Óеϰ£¬²»ÄÜÖØÃû£¬¿ÉÒÔ½øÐÐɾ³ý
if exists (select * from sysdatabases where name='ReatalDB')
 drop database RetalDB--ɾ³ýÊý¾Ý¿â
go
 --´´½¨Êý¾Ý¿â
create database RetalDB
on--Êý¾Ý¿âÖ÷Îļþ
(--ÖÐÀ¨ºÅ£¬²»ÊÇ´óÀ¨ºÅ
 name=RetalDB_data,--Êý¾Ý¿âÎļþµÄÂß¼­Ãû£¬ÔÚϵͳÊý¾Ý¿âmasterÖÐÊÇΨһµÄ
 filename='D:\DiskRetalDB\RetalDB.mdf',--Ö¸¶¨Â·¾¶ºÍÎļþÃû£¬ÎÒÃÇÒ»°ã¿´µ½µÄ¾ÍÊÇÕâ¸öÃû³Æ£¬±à³ÌÖÐÓõÄÒ²ÊÇÕâ¸ö
 size=5mb,--³õʼ´óС
 maxsize=100mb,--×î´óÖµ
 filegrowth=5mb--ÎļþµÄÔö³¤·½Ê½£¬Ò»´ÎÔö³¤5mb£¬Ò²¿ÉÒÔ°´°Ù·Ö±ÈÔö³¤
)
log on--ÈÕÖ¾Îļþ
(
 name=RetalDB_log,
 filename='D:\DiskRetalDB\RetalDB.ldf',
 size=2mb,
 maxsize=20mb,
 filegrowth=10%
)


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1¡¢¹ØÓÚSQL server 2000 ÔÚ°²×°¹ý³ÌÖÐÓöµ½Îļþ¹ÒÆðµÄ½â¾ö°ì·¨£º
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Áª½ÓÌõ¼þ¿ÉÔÚ   from   »ò   WHERE   ×Ó¾äÖÐÖ¸¶¨£¬½¨ÒéÔÚ   from   ×Ó¾äÖÐÖ¸¶¨Áª½ÓÌõ¼þ¡£WHERE   ºÍ   HAVING   ×Ó¾äÒ²¿ÉÒÔ°üº¬ËÑË÷Ìõ¼þ£¬ÒÔ½øÒ»²½É¸Ñ¡Áª½ÓÌõ¼þËùÑ¡µÄÐС£   
   
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ÔÚlinuxÉÏÅäÖÃunixODBCºÍFreeTDS·ÃÎÊMS SQL Server.

Ò», °²×° unixODBC
ÏÂÔØ°²×°°ü. ÔÚ RedHat °²×°¹âÅÌÉϾÍÓÐ
unixODBC-2.2.11-1.RHEL4.1.i386.rpm
unixODBC-devel-2.2.11-1.RHEL4.1.i386.rpm
unixODBC-kde-2.2.11-1.RHEL4.1.i386.rpm
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rpm -Uvh unixODBC-2.2.11-1.RHEL4.1.i386.rpm
rpm -Uvh unixODBC-devel-2.2.11-1.RHEL4.1.i386.rpm
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use master
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if exists(select * from sysdatabases where name='DBName')
drop database DBName
-----´´½¨Êý¾Ý¿â
create database DBName
on
(
 /*Êý¾ÝÎļþµÄ¾ßÌåÃèÊö*/
 name='DBName_data', -----Ö÷Êý¾ÝÎļþµÄÂß¼­Ãû³Æ
 filename='D:\project\DBName_data.mdf', ......

SQL SERVERÊý¾ÝÀàÐÍÓëC#Êý¾ÝÀàÐͶÔÕÕ±í

bigint ´Ó -2^63 (-9223372036854775808) µ½ 2^63-1 (9223372036854775807) µÄÕûÐÍÊý¾Ý£¨ËùÓÐÊý×Ö£©¡£´æ´¢´óСΪ 8 ¸ö×Ö½Ú¡£ Int64
int ´Ó -2^31 (-2,147,483,648) µ½ 2^31 - 1 (2,147,483,647) µÄÕûÐÍÊý¾Ý£¨ËùÓÐÊý×Ö£©¡£´æ´¢´óСΪ 4 ¸ö×Ö½Ú¡£int µÄ SQL-92 ͬÒå×ÖΪ integer¡£ Int32
smallint ´Ó -2^15 (-32,768) µ½ ......
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