SQL Server ¹ÜÀí³£ÓõÄSQLºÍT SQL
1. ²é¿´Êý¾Ý¿âµÄ°æ±¾
select @@version
³£¼ûµÄ¼¸ÖÖSQL SERVER´ò²¹¶¡ºóµÄ°æ±¾ºÅ:
8.00.194 Microsoft SQL Server 2000
8.00.384 Microsoft SQL Server 2000 SP1
8.00.532 Microsoft SQL Server 2000 SP2
8.00.760 Microsoft SQL Server 2000 SP3
8.00.818 Microsoft SQL Server 2000 SP3 w/ Cumulative Patch MS03-031
8.00.2039 Microsoft SQL Server 2000 SP4
2. ²é¿´Êý¾Ý¿âËùÔÚ»úÆ÷²Ù×÷ϵͳ²ÎÊý
exec master..xp_msver
3. ²é¿´Êý¾Ý¿âÆô¶¯µÄ²ÎÊý
sp_configure
4. ²é¿´Êý¾Ý¿âÆô¶¯Ê±¼ä
select convert(varchar(30),login_time,120) from master..sysprocesses where spid=1
²é¿´Êý¾Ý¿â·þÎñÆ÷ÃûºÍʵÀýÃû
print 'Server Name...............: ' + convert(varchar(30),@@SERVERNAME)
print 'Instance..................: ' + convert(varchar(30),@@SERVICENAME)
5. ²é¿´ËùÓÐÊý¾Ý¿âÃû³Æ¼°´óС
sp_helpdb
ÖØÃüÃûÊý¾Ý¿âÓõÄSQL
sp_renamedb 'old_dbname', 'new_dbname'
6. ²é¿´ËùÓÐÊý¾Ý¿âÓû§µÇ¼ÐÅÏ¢
sp_helplogins
²é¿´ËùÓÐÊý¾Ý¿âÓû§ËùÊôµÄ½ÇÉ«ÐÅÏ¢
sp_helpsrvrolemember
ÐÞ¸´Ç¨ÒÆ·þÎñÆ÷ʱ¹ÂÁ¢Óû§Ê±,¿ÉÒÔÓõÄfix_orphan_user½Å±¾»òÕßLoneUser¹ý³Ì
¸ü¸Äij¸öÊý¾Ý¶ÔÏóµÄÓû§ÊôÖ÷
sp_changeobjectowner [@objectname =] 'object', [@newowner =] 'owner'
×¢Òâ: ¸ü¸Ä¶ÔÏóÃûµÄÈÎÒ»²¿·Ö¶¼¿ÉÄÜÆÆ»µ½Å±¾ºÍ´æ´¢¹ý³Ì¡£
°Ñһ̨·þÎñÆ÷ÉϵÄÊý¾Ý¿âÓû§µÇ¼ÐÅÏ¢±¸·Ý³öÀ´¿ÉÒÔÓÃadd_login_to_aserver½Å±¾
²é¿´Ä³Êý¾Ý¿âÏÂ,¶ÔÏó¼¶Óû§È¨ÏÞ
sp_helprotect
7. ²é¿´Á´½Ó·þÎñÆ÷
sp_helplinkedsrvlogin
²é¿´Ô¶¶ËÊý¾Ý¿âÓû§µÇ¼ÐÅÏ¢
sp_helpremotelogin
8.²é¿´Ä³Êý¾Ý¿âÏÂij¸öÊý¾Ý¶ÔÏóµÄ´óС
sp_spaceused
Ïà¹ØÎĵµ£º
1¡¢ ÓóÌÐòÖУ¬±£Ö¤ÔÚʵÏÖ¹¦ÄܵĻù´¡ÉÏ£¬¾¡Á¿¼õÉÙ¶ÔÊý¾Ý¿âµÄ·ÃÎÊ´ÎÊý£»Í¨¹ýËÑË÷²ÎÊý£¬¾¡Á¿¼õÉÙ¶Ô±íµÄ·ÃÎÊÐÐÊý,×îС»¯½á¹û¼¯£¬´Ó¶ø¼õÇáÍøÂ縺µ££»Äܹ»·Ö¿ªµÄ ²Ù×÷¾¡Á¿·Ö¿ª´¦Àí£¬Ìá¸ßÿ´ÎµÄÏìÓ¦ËÙ¶È£»ÔÚÊý¾Ý´°¿ÚʹÓÃSQLʱ£¬¾¡Á¿°ÑʹÓõÄË÷Òý·ÅÔÚÑ¡ÔñµÄÊ×ÁУ»Ëã·¨µÄ½á¹¹¾¡Á¿¼òµ¥£»ÔÚ²éѯʱ£¬²»Òª¹ý¶àµØÊ¹ÓÃͨÅä·û ÈçSELE ......
1¡¢²éÕÒ±íÖжàÓàµÄÖØ¸´¼Ç¼£¬Öظ´¼Ç¼ÊǸù¾Ýµ¥¸ö×ֶΣ¨peopleId£©À´ÅжÏ
select * from people
where peopleId in (select peopleId from people group by peopleId having count(peopleId) > 1)
2¡¢É¾³ý±íÖжàÓàµÄÖØ¸´¼Ç¼£¬Öظ´¼Ç¼ÊǸù¾Ýµ¥¸ö× ......
ʹÓÃPowerDesignerÉú³ÉÊý¾Ý¿â
½¨±íSQL
½Å
±¾Ê±£¬ÓÈÆäÊÇOracleÊý¾Ý¿âʱ£¬±íÃûÒ»°ã»á´øÒýºÅ¡£Æäʵ¼ÓÒýºÅÊÇPL/SQLµÄ¹æ·¶£¬Êý¾Ý¿â»áÑϸñ°´ÕÕ“”ÖеÄÃû³Æ½¨±í£¬Èç¹ûûÓГ”£¬»á°´ÕÕ
ORACLEĬÈϵÄÉèÖý¨±í£¨DBA
STUDIOÀïÃæ£©£¬Ä¬ÈÏÊÇÈ«²¿´óд£¬ÕâÑù£¬ÔÚORACLEÊý¾Ý¿âÀïµÄ×ֶξÍÈç“Column_1&rdqu ......
1
bigint
´Ó -2^63 µ½ 2^63-1 Ö®¼äµÄ integer (ÕûÊý)Êý¾Ý
2
binary
¶¨³¤µÄbinaryÊý¾Ý£¬×Ϊ8,000×Ö½Ú
3
bit
integerÊý¾Ý£¬ÖµÎª1»ò0
4
char ......
SELECT
(case when a.colorder=1 then d.name
--+'('+cast(h.value as nvarchar)+')'
else '' end)±íÃû,
a.colorder ×Ö¶ÎÐòºÅ,
a.name ×Ö¶ÎÃû,
isnull(g.[value],'') AS ×Ö¶Î˵Ã÷,
(case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then '¡Ì'else '' end) ±êʶ,
(case whe ......