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

SQLÄܽøÐжþ½øÖƵÄɸѡÂ𣿠- MS-SQL Server / »ù´¡Àà

ÎÒÓÐÒ»¸ö×Ö¶ÎÊÇ varchar(1) ÀàÐÍ£¬¶þ½øÖƱíʾҲ¾ÍÊÇ8λµÄ ¡®0000 0000¡¯
±ÈÈçÕâ¸öʱºòÎÒÐèҪɸѡ³öÕâ¸ö×Ö¶ÎΪËùÓÐµÄ ¡®0000 0100¡¯µÄÐУ¬ÇëÎÊSQLÄÜʵÏÖÕâÑùµÄ¡°Î»¡±µÄɸѡÂð£¿
лл~~~

ÓÐλ²Ù×ݺ¯ÊýÂ𣿲»ÐоÍ×Ô¼ºÐ´°É£¡


SELECT 4&4

--0100--4
--0100--4


/*
   
----------- 
4

£¨ËùÓ°ÏìµÄÐÐÊýΪ 1 ÐУ©
/

¿ÉÒÔͨ¹ýCASTת»»²éѯ

ÒýÓÃ

SELECT 4&4

--0100--4
--0100--4


/*

-----------
4

£¨ËùÓ°ÏìµÄÐÐÊýΪ 1 ÐУ©
/


²»ºÃÒâ˼£¬ÎÒû¿´¶®ÄãµÄÒâ˼¡£
ÎÒÏÖÔÚÊÇ select * where ij×Ö¶Î <> '0000 0100' from table
ÇëÎÊÒªÈçºÎÐ´ÄØ£¿

¸ø³öÊý¾äºÍÄãÒªµÄ½á¹û

ÒýÓÃ
ÎÒÓÐÒ»¸ö×Ö¶ÎÊÇ varchar(1) ÀàÐÍ£¬¶þ½øÖƱíʾҲ¾ÍÊÇ8λµÄ ¡®0000 0000¡¯
±ÈÈçÕâ¸öʱºòÎÒÐèҪɸѡ³öÕâ¸ö×Ö¶ÎΪËùÓÐµÄ ¡®0000 0100¡¯µÄÐУ¬ÇëÎÊSQLÄÜʵÏÖÕâÑùµÄ¡°Î»¡±µÄɸѡÂð£¿
лл~~~

²»´ó¶®ÄãµÄÒâ˼
varchar(1)Ôõô¿ÉÒÔ×°8Î»ÄØ
ÒªÊÇÊý¾ÝÖ»ÓÐÒ»¸ö×Ö·û´®
Ö±½Ó
select * from tb where col = '1'


ÒýÓÃ

¸ø³öÊý¾äºÍÄãÒªµÄ½á¹û

SQL code:

select * from table A
where ij×Ö¶Î not in( '0000 0100','0000 0


Ïà¹ØÎÊ´ð£º

csvÎļþת»»³Ésqlµ¼Èëµ½Êý¾Ý¿â£¬Ã»ÓÐÊý¾ÝΪºÎ£¿

Ö´ÐеÄ˳Ðò£º
1£©Îļþä¯ÀÀ¿ò£¨Ñ¡ÔñÎļþʹÓã©
Ñ¡ÔñºÃÎļþºó
µã»÷Ò»¸öµ¼Èë°´Å¥µÄʱºò £¬°ÑÉÏÃæÉÏ´«¿òÀïµÄcsvÎļþÒÔÒ»¸öIDΪÎļþÃû£¬ÉÏ´«µ½**/**Îļþ¼ÐÏÂ
2£©¶ÁÈ¡Õâ¸öÎļþ¼ÐϵÄcsvµÄÎļþ£¬×ª»»³Ésql
3 ......

sqlССµÄÒÉÎÊ - .NET¼¼Êõ / C#

¿ÉÄÜÒòΪ¹¤×÷µÄÔ­Òò ½Ó´¥Êý¾Ý¿âÕâ¿é±È½ÏÉÙ£¬Ö®Ç°¶¼ÊÇ×ö³ÌÐòÕâ¿é£¬Êý¾Ý¿âÕâ¿é¶¼ÓÐרÃŵÄÈËÀ´×ö ·Ö¹¤¶¼ºÜÃ÷ϸ ËùÒÔ¶ÔÊý¾Ý¿âÕâÒ»¿éÍêÈ«²»Á˽⡣ǰ¶Îʱ¼ä È¥ÃæÊÔÁ˼¸¼Ò¹«Ë¾ ¼¸ºõ¶¼ÊÇÔÚÊý¾Ý¿âÕâ¿é¹ÒµôµÄ Á¬¸ö¼òµ¥µÄSQ ......

Ôõô°ÑMDFÊý¾Ýתµ½MySQL£¿ - MS-SQL Server / »ù´¡Àà

Ôõô°ÑMDFÊý¾Ýתµ½MySQL£¿
ÖÁÉٵø½¼Óµ½sqlserverÉÏ

¾ßÌåÔõôŪ°¡ ÎҵıÏÒµÉè¼ÆµÄÊý¾Ý¿âÊÇ´ÓÍøÉÏdownÏÂÀ´µÄ£¿£¿

Ä㻹²»ÈçÖ±½ÓÓÃsqlserverÄØ

º¯Êý¡¢´æ´¢¹ý³Ì¶¼µÃ¸ÄÁË¡£

sqlserverûÔõôÓùý¡£Ò²Ã»Óа²× ......

sqlÓï¾äÎÊÌâ - Java / Web ¿ª·¢

select o_customer,o_price from orders having o_price >=avg(o_price)
select o_customer,o_price from orders where o_price >=(select avg(o_price) from orders)
ÎҸоõûÓÐÇø±ð°¡£¬ÔõôÔÚmysql»áÓÐ ......

asp wap sqlÓï¾äÖлñÈ¡µÄºº×Ö²»ºÃÊ - Web ¿ª·¢ / ASP

SQL code:

rs.open "select * from guide where city_name='±±¾©' order by pai desc",conn,1,1
do while not rs.eof or rs.bof
¡£¡£
¡£¡£
¡£¡£
rs.movenext
loop
Õâ¸ösqlÓï¾äÔÚwapÕ¾Àï ±¾ÉíÓÐ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ