Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

ÔÚORACLEºÍsql serverÖмòµ¥±¸·ÝtableµÄ·½·¨

Èç¹ûtemp_t1²»´æÔÚ£¬
oracle:
create table temp_t1
as
select * from t1
sql server:
select * into temp_t1 from t1
Èç¹ûtemp_t1´æÔÚ£¬
oracle:
insert into table temp_t1
select * from t1
sql server:
insert into table temp_t1
select * from t1


Ïà¹ØÎĵµ£º

oracle ±í¿Õ¼ä²Ù×÷

oracle±í¿Õ¼ä²Ù×÷Ïê½â
  1
  2
  3×÷Õߣº   À´Ô´£º    ¸üÐÂÈÕÆÚ£º2006-01-04 
  5
  6 
  7½¨Á¢±í¿Õ¼ä
  8
  9CREATE TABLESPACE data01
 10DATAFILE '/ora ......

ORACLE NULLÏê½â

ÎÊ£ºÊ²Ã´ÊÇNULL£¿
´ð£ºÔÚÎÒÃDz»ÖªµÀ¾ßÌåÓÐʲôÊý¾ÝµÄʱºò£¬Ò²¼´Î´Öª£¬¿ÉÒÔÓÃNULL£¬ÎÒÃdzÆËüΪ¿Õ£¬ORACLEÖУ¬º¬ÓпÕÖµµÄ±íÁ㤶ÈΪÁã¡£
 
ORACLEÔÊÐíÈκÎÒ»ÖÖÊý¾ÝÀàÐ͵Ä×Ö¶ÎΪ¿Õ£¬³ýÁËÒÔÏÂÁ½ÖÖÇé¿ö£º
1¡¢Ö÷¼ü×ֶΣ¨primary key£©£¬
2¡¢¶¨ÒåʱÒѾ­¼ÓÁËNOT NULLÏÞÖÆÌõ¼þµÄ×Ö¶Î
˵Ã÷£º
1¡¢µÈ¼ÛÓÚûÓÐÈκÎÖµ¡¢ÊÇδ֪ ......

sqlÖг£Óö¯Ì¬µÄÐÐתÁÐ

//È¡³öÔ´Êý¾Ý
select groupname,totalnum,inputdate,groupid into #temp from
 (select count(*)as totalnum,p.groupid,g.groupname,convert(nvarchar(10),inputdate,120) as 'inputdate'
 from person p left join admin_group g on p.groupid = g.groupid and deleteflag = '0'
 where p.inactive=' ......

SQL Server2005 ±í·ÖÇøÈý²½Çú

ǰÑÔ
SQL Server 2005¿ªÊ¼Ö§³Ö±í·ÖÇø£¬ÕâÖÖ¼¼ÊõÔÊÐíËùÓеıí·ÖÇø¶¼±£´æÔÚͬһ̨·þÎñÆ÷ÉÏ¡£Ã¿Ò»¸ö±í·ÖÇø¶¼ºÍÔÚij¸öÎļþ×é(filegroup)Öеĵ¥¸öÎļþ¹ØÁª¡£Í¬ÑùµÄÒ»¸öÎļþ/Îļþ×é¿ÉÒÔÈÝÄɶà¸ö·ÖÇø±í¡£ÔÚÕâÖÖÉè¼Æ¼Ü¹¹Ï£¬Êý¾Ý¿âÒýÇæÄܹ»Åж¨²éѯ¹ý³ÌÖÐÓ¦¸Ã·ÃÎÊÄĸö·ÖÇø£¬¶ø²»ÓÃɨÃèÕû¸ö±í¡£Èç¹û²éѯÐèÒªµÄÊý¾ÝÐзÖÉ¢ÔÚ¶à¸ö·ÖÇøÖ ......

SQLÓï¾äЧÂÊÎÊÌâµÄ¼¸µã×ܽá

1. SQLÓÅ»¯µÄÔ­ÔòÊÇ£º
  ½«Ò»´Î²Ù×÷ÐèÒª¶ÁÈ¡µÄBLOCKÊý¼õµ½×îµÍ,¼´ÔÚ×î¶ÌµÄʱ¼ä´ïµ½×î´óµÄÊý¾ÝÍÌÍÂÁ¿¡£  
  µ÷Õû²»Á¼SQLͨ³£¿ÉÒÔ´ÓÒÔϼ¸µãÇÐÈ룺  
  ¼ì²é²»Á¼µÄSQL£¬¿¼ÂÇÆäд·¨ÊÇ·ñ»¹ÓпÉÓÅ»¯ÄÚÈÝ  
  ¼ì²é×Ó²éѯ   ¿¼ÂÇSQL×Ó²éѯÊÇ·ñ¿ÉÒÔÓüòµ¥Á¬½Óµ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ