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

ÀûÓÃSQLSERVERµÄʼþ̽²âÆ÷ÕÆÎÕÓÃÓÑϵͳµÄ±í½á¹¹

SQLSERVERµÄʼþ̽²âÆ÷ÊÇÒ»¸öºÜÇ¿´óºÜÖ±¹ÛµÄ¹¤¾ß£¬µ±ÎÒÃÇÔÚERPϵͳÀïÃæ×öÒ»¶¨²Ù×÷µÄʱºò£¬¶¼»áÔÚÊý¾Ý¿âÀïÃæÐγɲéѯ»òÕßÔöɾ¸ÄµÄT-SQLÓï¾ä¡£Í¨¹ýʼþ̽²âÆ÷¾Í¿ÉÒÔÖªµÀERPÀïÃæµÄµ¥¾ÝÔÚÊý¾Ý¿âµÄÄĸö±íÀïÃæ£¬ÉõÖÁÄĸö×Ö¶ÎÀïÃæ¡£»¹¿ÉÒÔ¸ù¾Ý̽²âµ½µÄSQLÓï¾ä·ÖÎöERPϵͳµÄ±í½á¹¹£¬±íÖ®¼äµÄ¹ØÁª×Ö¶ÎÊÇÄĸö¡£
´ó¼Ò³õ´ò¿ªÊ¼þ̽²âÆ÷ʱ¿ÉÄÜ»á¸ã²»´óÇå³þ£¬ÒòΪERPÔÚÔËÐÐʱ£¬ºǫ́µÄSQLÓï¾äÁ¿ÊǺܴóµÄ£¬1ÃëÖÓ¿ÉÒÔÌø¸ö¼¸Ê®Ìõ£¬Äã¸ù±¾²»ÖªµÀÄľäSQLÊÇÕë¶ÔÄãµÄ²Ù×÷µÄ¡£
ÕâÀï¾Í¸ú´ó¼Ò·ÖÏí1Ï£¬1¸öºÜºÃµÄ·½·¨¾ÍÊÇÔÚ´ò¿ªÊ¼þ̽²âÆ÷ʱ£¬ÔÚÄ£°åÉèÖýçÃæµÄµÚÈý¸öÑ¡ÏÀïÃæ°Ñ"hostname"¸øÑ¡ÉÏ£¬È»ºóÔÚµÚËĸöÑ¡Ï£¨Êý¾ÝÁУ©ÀïÃæÕÒµ½hostname£¬´ò¿ªÄ¿Â¼Ê÷£¬ÉèÖÓͬÓÚ¡¾ÄãµÄ¼ÆËã»úÃû×Ö¡¿”£¬µãÈ·¶¨¡£ÕâÑùʼþ̽²âÆ÷¾ÍÖ»¸ú×ÙÄãµçÄÔÉϵÄERPÔÚÊý¾Ý¿â×öµÄ²Ù×÷¼Ç¼¡£
Äã¿ÉÒÔ°ÑÓÐÓõÄSQLÓï¾ä¸´ÖƵ½²éѯ·ÖÎöÆ÷ÀïÃæ£¬È»ºóselect top 1 * from Ö»ÏÔʾ1ÐУ¬»á³öÀ´Êý¾Ý¡£Õâ¸öÊý¾Ý¸úǰ̨ERPÀïÃæµÄÊý¾ÝÈ¥ºË¶Ô£¬Äã¾ÍÖªµÀÕâ¾äSQLÔÚ¸ÉÂËûµÄÿ¸ö×ֶδú±íʲôÒâ˼¡£
ÓÃÓÑ×öÁ˺ܶàµÄÊÓͼ£¬¶ÔÓÚÎÒÃÇ×ö×Ô¶¨Ò屨±íÈ¡Êý¾Ý»áºÜ·½±ã¡£µ«ÊÇÕâЩÊÓͼµÄ×ÊÁÏÍøÉÏ»ù±¾ÕÒ²»µ½£¬ËùÒÔÀûÓÃʼþ̽²âÆ÷¿ÉÒÔ½Ó´¥µ½ÕâЩÊÓͼ¡£
ÁíÍâÓÃÓÑÿ¾äSQL¶¼»á´ø1¾äset nocount on ÆäʵÕâ¾ä»°Ã»Ê²Ã´Òâ˼£¬¾ÍÊÇÈÃSQLSERVER²»¸øERP·µ»Ø´Ë´Î²Ù×÷Ó°ÏìµÄÐÐÊý£¬ÕâÑù¿ÉÒÔ½ÚÊ¡Á÷Á¿¡£
ÏȽéÉܵ½ÕâÀÀûÓÃÕâ¸ö·½·¨¿ÉÒÔ½â¾öºÜ¶àºÜ¶àÎÊÌ⣬»òÕß˵¿ÉÒÔÌṩºÜ¶à½â¾öÎÊÌâµÄ˼·¡£
µ±È»ÁË£¬ÐÞ¸ÄÊý¾Ý¿âÊý¾Ý֮ǰ¶¼Òª±¸·ÝÊý¾Ý¿â¡£


Ïà¹ØÎĵµ£º

sqlserver һЩȫ¾Ö±äÁ¿

sqlserver ÖÐ È«¾Ö±äÁ¿ ÊÇÒ»ÖÖÌØÊâÀàÐ͵ıäÁ¿£¬È«¾Ö±äÁ¿ÒÔ@@¿ªÍ·£¬ÊÇÓÉϵͳ¶¨ÒåµÄ¡£
@@CONNECTIONS   ·µ»Ø
SQL Server
×ÔÉÏ´ÎÆô¶¯ÒÔÀ´³¢ÊÔµÄÁ¬½ÓÊý¡£
@@CURSOR_ROWS  
È·¶¨µ±Æä±»µ÷ÓÃʱ¼ìË÷ÁËÓαê·ûºÏÌõ¼þµÄÐÐÊý¡£
@@DATEFIRST       
Õë¶Ô»á»°·µ»Ø
S ......

Mysql£¬SqlServer£¬OracleÖ÷¼ü×Ô¶¯Ôö³¤µÄÉèÖÃ


Mysql£¬SqlServer£¬OracleÖ÷¼ü×Ô¶¯Ôö³¤µÄÉèÖÃ
1¡¢°ÑÖ÷¼ü¶¨ÒåΪ×Ô¶¯Ôö³¤±êʶ·ûÀàÐÍ
ÔÚmysqlÖУ¬Èç¹û°Ñ±íµÄÖ÷¼üÉèΪauto_incrementÀàÐÍ£¬Êý¾Ý¿â¾Í»á×Ô¶¯ÎªÖ÷¼ü¸³Öµ¡£ÀýÈ磺
create table customers(id int auto_increment primary key not null, name varchar(15));
insert into customers(name) values("name1"),("nam ......

SQLServerÖÐÓõıȽ϶àµÄº¯Êý

ÏÂÃæÊÇÎÒÔÚSQLServerÖÐÓõıȽ϶àµÄº¯Êý£¬Ä㻹ÓÃЩʲôº¯Êý£¿»òÕß¶ÔÄĸöº¯ÊýÓбȽϺÃÓ÷¨£¿»òÕßÄã²»ÓÃÄÄЩº¯Êý£¿
LEFT ( character_expression , integer_expression )
·µ»Ø´Ó×Ö·û´®×ó±ß¿ªÊ¼Ö¸¶¨¸öÊýµÄ×Ö·û¡£
Àý:
select left('my name is viwo',4)
my n
RIGHT ( character_expression , integer_expression )
·µ» ......

´ÓOracle¡¢SQLServerÖÐÈ¡µÃ×¢ÊÍ

¸ù¾Ý±í½á¹¹Éú³ÉJavaÎļþµÄ¹¤¾ß£¬ÔÚÈ¡µÃ±íµÄ×Ö¶ÎʱÈçºÎÈ¡µÃ±íµÄ¸÷ÖÖÐÅÏ¢ºÍ×¢ÊÍ£¬¾­¶à·½ËÑѰÕÒµ½ÈçÏÂ×ÊÁϱ¸Ó㺠oracle£º
        user_tab_comments;±í×¢ÊÍ
        user_col_comments;±í×Ö¶Î×¢ÊÍ
        Ò ......

sqlserver ÖÐÌá¸ß²éѯÐÔÄܵķ½·¨

MS   SQL   Server²éѯÓÅ»¯·½·¨
²éѯËÙ¶ÈÂýµÄÔ­ÒòºÜ¶à£¬³£¼ûÈçϼ¸ÖÖ 
        1¡¢Ã»ÓÐË÷Òý»òÕßûÓÐÓõ½Ë÷Òý(ÕâÊDzéѯÂý×î³£¼ûµÄÎÊÌ⣬ÊdzÌÐòÉè¼ÆµÄȱÏÝ) 
        2¡¢I/OÍÌÍÂÁ¿Ð¡£¬ÐγÉÁËÆ¿¾±Ð§Ó¦¡£ 
& ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ