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

SQL ServerÖÐCASEµÄÓ÷¨


    ÒÔǰ¶ÔÓÚSql ServerÖÐCaseÃüÁîµÄÓ÷¨Ò»Ö±²»ÊǺÜÁ˽⣬½ñÌìͨ¹ýÉÏÍø²éÁËһЩ×ÊÁÏ£¬½«Case»ù±¾µÄÓ÷¨×ܽáһϡ£
CaseÃüÁîÓÐÁ½ÖÖÓï·¨£º 
A£©CASE<ÔËËãʽ>
WHEN <ÔËËãʽ> THEN <ÔËËãʽ>
……
WHEN <ÔËËãʽ> THEN <ÔËËãʽ>
[ELSE<ÔËËãʽ>]
     END 
         ¾ÙÀý£ºÏÔʾÖÐÎÄÄêÔ             
              SELECT GETDATE() AS ÈÕÆÚ,
                     CASE MONTH(GETDATE())
                           WHEN 11 THEN 'ʮһ'
                            WHEN 12 THEN 'Ê®¶þ'
                            ELSE SUBSTRING('Ò»¶þÈýËÄÎåÁùÆß°Ë¾ÅÊ®', MONTH(GETDATE()), 1)
                     END + 'ÔÂ' AS Ô·ݠ 
   B£©CASE
                WHEN<Ìõ¼þ±í´ïʽ>THEN<>ÔËËãʽ>
                 ……
                 WHEN<Ìõ¼þ±í´ïʽ>THEN<>ÔËËãʽ>
            


Ïà¹ØÎĵµ£º

InfoPath¿ª·¢£º»ñÈ¡SQL ServerÖеÄÊý¾Ý

¡¡¡¡±¾ÎÄʾÀýÔ´´úÂë»òËØ²ÄÏÂÔØ
¡¡¡¡±¾½ÚµÄÄÚÈÝ£º
¡¡¡¡ÈçºÎÔÚInfoPathÖÐʹÓÃÊý¾ÝÁ¬½ÓÀ´´ÓSQL ServerÊý¾Ý¿âÖлñÈ¡Êý¾Ý
¡¡¡¡ÈçºÎͨ¹ý´úÂëÀ´ÐÞ¸ÄÊý¾ÝÁ¬½ÓÖеÄSQL²éѯ
¡¡¡¡ÔÚ¿ªÊ¼Éè¼ÆInfoPath±íµ¥Ö®Ç°£¬ÏÈ×¼±¸Ò»¸öÊý¾Ý¿â£¬InfoPathÖ§³ÖÁ½ÖÖÊý¾Ý¿âÁ¬½Ó£º
¡¡¡¡Microsoft Office AccessÊý¾Ý¿â£¨.mdbÎļþ»ò.accdbÎļþ£©
¡¡¡ ......

SQL 92 ±ê×¼ YoYo

        ÏîÄ¿ÖÕÓÚ½áÊøÁË£¬×ܽáµÄʱºòµ½ÁË... hehe :)
        ÔÚÏîÄ¿ÖÐÎÒÃÇÓöµ½Á˺ܶàµÄÎÊÌ⣬±ê×¼SQLʹÓþÍÊÇÆäÖÐÒ»¸ö¡£ ÒòΪÎÒÃÇÔÚ×öBI packageµÄʱºò£¬Ò»¿ªÊ¼¶¼ÊÇ»ùÓÚMS SQL À´×öµÄ£¬ËùÒÔUniverseµÄÉè¼ÆÉÏҲûÓÐÌ«¶àµÄ¿¼ÂÇ¡£ µ±ºóÀ´ÀÏ´ó¸æËßÎÒÅ ......

ÔÚSQLÊý¾Ý¿âÖе¼ÈëExcel

--Excelµ¼Èësql´æ´¢¹ý³Ì£¨¼òµ¥£©
Create procedure import
    @tablename varchar(100),
    @filepath varchar(100) 
as
EXEC( 'INSERT INTO '  + @tablename +
' SELECT * from
OpenDataSource( ''Microsoft.Jet.OLEDB.4.0'',''Data Source="' + @filepath + '";
......

sql²Ù×÷´óÈ«

SQL²Ù×÷È«¼¯ 
ÏÂÁÐÓï¾ä²¿·ÖÊÇMssqlÓï¾ä£¬²»¿ÉÒÔÔÚaccessÖÐʹÓᣠ
SQL·ÖÀࣺ 
DDL—Êý¾Ý¶¨ÒåÓïÑÔ(CREATE£¬ALTER£¬DROP£¬DECLARE) 
DML—Êý¾Ý²Ù×ÝÓïÑÔ(SELECT£¬DELETE£¬UPDATE£¬INSERT) 
DCL—Êý¾Ý¿ØÖÆÓïÑÔ(GRANT£¬REVOKE£¬COMMIT£¬ROLLBACK) 
Ê×ÏÈ,¼òÒª½éÉÜ»ù´¡Óï¾ä£º& ......

SQLѧϰʹÓÃ

SQL²Ù×÷È«¼¯
ÏÂÁÐÓï¾ä²¿·ÖÊÇMssqlÓï¾ä£¬²»¿ÉÒÔÔÚaccessÖÐʹÓá£
SQL·ÖÀࣺ
DDL—Êý¾Ý¶¨ÒåÓïÑÔ(CREATE£¬ALTER£¬DROP£¬DECLARE)
DML—Êý¾Ý²Ù×ÝÓïÑÔ(SELECT£¬DELETE£¬UPDATE£¬INSERT)
DCL—Êý¾Ý¿ØÖÆÓïÑÔ(GRANT£¬REVOKE£¬COMMIT£¬ROLLBACK)
Ê×ÏÈ,¼òÒª½éÉÜ»ù´¡Óï¾ä£º
1¡¢ËµÃ÷£º´´½¨Êý¾Ý¿â
CREATE ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ