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Create DATABASE database-name
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drop database dbname
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--- ´´½¨ ±¸·ÝÊý¾ÝµÄ device
USE master
EXEC sp_addumpdevice disk, testBack, c:mssql7backupMyNwind_1.dat
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BACKUP DATABASE pubs TO testBack
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create table tabname(col1 type1 [not null] [primary key],col2 type2 [not null],..)
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A£ºcreate table tab_new like tab_old (ʹÓÃ¾É±í´´½¨Ð±í)
B£ºcreate table tab_new as select col1,col2… from tab_old definition only
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drop table tabname
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Alter table tabname add column col type
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7¡¢ËµÃ÷£ºÌí¼ÓÖ÷¼ü£º Alter table tabname add primary key(col)
˵Ã÷£ºÉ¾³ýÖ÷¼ü£º Alter table tabname drop primary key(col)
8¡¢ËµÃ÷£º´´½¨Ë÷Òý£ºcreate [unique] index idxname on tabname(col….)
ɾ³ýË÷Òý£ºdrop index idxname
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9¡¢ËµÃ÷£º´´½¨ÊÓͼ£ºcreate view viewname as select statement
ɾ³ýÊÓͼ£ºdrop view viewname
10¡¢ËµÃ÷£º¼¸¸ö¼òµ¥µÄ»ù±¾µÄsqlÓï¾ä
Ñ¡Ôñ£ºselect * from table1 where ·¶Î§
²åÈ룺insert into table1(field1,field2) values(value1,value2)
ɾ³ý£ºdelete from table1 where ·¶Î§
¸üУºupdate table1 set field1=value1 where ·¶Î§
²éÕÒ£ºselect * from table1 where field1 like ’%value1%’ ---likeµÄÓï·¨ºÜ¾«Ã²é×ÊÁÏ!
ÅÅÐò£ºselect * from table1 order by field1,field2 [desc]
×ÜÊý£ºselect count as totalcount from table1
ÇóºÍ£ºselect sum(field1) as sumvalue from table1
ƽ¾ù£ºselect avg(field1) as avgvalue from table1
×î´ó£ºselect max(field1) as maxvalue from table1
×îС£ºselect min(field1) as minvalue from table1
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