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

¶¯Ì¬´´½¨sqlʵÀý

string   error_syntaxfromSQL,   error_create  
  string   new_sql,   new_syntax  
  new_sql   =   'SELECT   emp_data.emp_id,   '   &  
                  +   'emp_data.emp_name   '   &  
                  +   'from   emp_data   '   &  
                  +   'WHERE   emp_data.emp_salary>45000'  
  new_syntax   =   SQLCA.SyntaxfromSQL(new_sql,   &  
                  'Style(Type=Form)',   error_syntaxfromSQL)  
  IF   Len(error_syntaxfromSQL)   >   0   THEN  
                  //   Display   errors  
                  mle_sfs.Text   =   error_syntaxfromSQL  
  ELSE  
                  //   Generate   new   DataWindow  
                  dw_new.Create(new_syntax,   error_create)  
             &


Ïà¹ØÎĵµ£º

SQL ServerÖ´Ðв¿·ÖÓï¾äµÄÄÚ´æ´ú¼Û


ÖÚËùÖÜÖª£¬SQL ServerÖ´ÐÐSQLÓï¾äµÄÐÔÄÜÅж¨±ê×¼Ö÷ÒªÊÇIO¶ÁÈ¡Êý´óС¡£±¾ÎÄÔÚ²»Î¥·´ÕâÒ»Ô­ÔòÇé¿öÏ£¬Í¬Ê±À´·ÖÎöһϲ¿·ÖSQLÓï¾äÖ´ÐÐʱ£¬SQL ServerÄÚ´æµÄ±ä»¯Çé¿ö¡£
Ê×ÏȼòÊöÒ»ÏÂSQL ServerÄÚ´æÕ¼ÓõÄÌØµã¡£SQL ServerËùÕ¼ÓõÄÄÚ´æ³ý³ÌÐò£¨¼´SQL
ServerÒýÇæ£©Í⣬Ö÷Òª°üÀ¨»º´æµÄÊý¾Ý£¨Buffer£©ºÍÖ´Ðмƻ®£¨Cache£©¡£SQL ......

sql server ×Ö·û´®´¦Àíº¯Êý

ÎÒÃÇÕâÀï¶Ô SQL Server ×Ö·û´®º¯Êý½øÐзÖÃűðÀàµØÁгö£¬±ãÓÚ²éÔĺͼÇÒ䣬ÏàÐÅ´ó¼Ò¶¼ÔÚÆäËü·½ÃæÓиßÉîµÄ±à³Ì»ù´¡£¬´Ó×ÖÃæÉÏÀ´Ëµ´ó¼Ò¶¼ÖªµÀÕâЩº¯ÊýµÄÒâÒ壬¾Í²»¶ÔÕâЩº¯Êý×÷¹ý¶àµÄ½âÊÍÁË£¬Ö÷Ҫ̸Щ¾­Ñ飬¾ßÌåÇë²Î¼ûÁª»ú´ÔÊé¡£
ASCII(character_expression) ·µ»Ø×î×ó¶Ë×Ö·ûµÄ ASCII ´úÂëÖµ
CHAR(integer_expression)
UNICO ......

sql server ϵͳº¯ÊýÓ÷¨ÊµÀý

ϵͳº¯Êý
1.case when ... then ..else ..end(ÓÃÓÚ¶ÔÌõ¼þ½øÐвâÊÔ)
e.Select id,case when name='deepwishly' then 'ÀÏ´ó' else 'ÆäËû' end as Type
 ÏÔʾ id  type
          1   ÀÏ´ó
2.cast()/convert() ǰÕß¾ßÓÐANSI SQL-92¼æÈÝÐÔ£¬ºóÕß¹¦ÄܸüÇ ......

Excel±íÊý¾Ýµ¼ÈëSql ServerÊý¾Ý¿âÖÐ

C#¡¢ASP.NETÖн«Excel±íÖеÄÊý¾Ýµ¼Èëµ½Sql ServerÊý¾Ý¿âÖжÔÓ¦µÄ±íÖС£
ÕâÀïÎÒÃǽ«E:\test.xls
ÖÐSheet1
±íÖеÄÊý¾Ýµ¼Èëµ½testÊý¾Ý¿âÖеÄmy_test
±íÖС£
Èí¼þ£ºVS2005£¬SQL Server2000,
test.xlsÖÐSheet1±íÖÐÓÐÈý¸ö×ֶΣ¬±àºÅ¡¢Ãû³Æ¡¢±¸×¢¡£¾ßÌåÄÚÈÝÈçÏÂͼ¡£




1¡¢
Ê×ÏÈ£¬ÎÒÃÇÒ ......

SQL ±íËø

ÆäʵÄã¿ÉÒÔʹÓÃÊÂÎñ´¦Àí
  ±È·½ËµÔÚÒ»¸ö×Ö¶ÎÀïÃæÌí¼ÓÒ»¸öboolean µÄ×ֶε±ÄãÒª´¦Àí¸Ã×ֶεÄʱºò¾Í True ÄÄô±ðµÄÈ˶¼²»¿ÉÒÔ½øÐвÙ×÷
¡¡Èç¹ûÊÇFalse ÄÄô¾Í¿ÉÒÔ½øÐвÙ×÷¡«¡«ºÇ¿É¡«¡«ÎÒÊÇÕâÑùµÄ
¡¡¡¡²»¹ýÄã¿ÉÒÔ¿´¿´¡¡
¡¡SQLËø»úÖÆ
¡¡¡¡ÒÔÏÂÊÇÎÒÕÒµÄһЩÁÏ¡¡Èç¹ûÒªÀí½âSQLËø»úÖÆ ×îºÃ°ÑÏÂÀ´¿´ÍêŶ
ĬÈϵÄÊÂÎñ¸ôÀë¼ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ