ÇóÒ»¸ösqlÓï¾ä - MS-SQL Server / ÒÉÄÑÎÊÌâ
ÒÑÖªÒ»¸ö±í£¬½á¹¹Èç create table A ( user_id INT(10) PRIMARY KEY, #Óû§id money INT(10) NOT NULL #½»Ò×½ð¶î ); ÏÖÔÚÎÒÁһ¸ö±í create table B ( user_id INT(10) PRIMARY KEY, moneyrank VARCHAR(15) NOT NULL, #½ð¶î¶Î£¬ÀýÈç0-20Ôª£¬20-50ÔªµÈµÈ count INT(10) NOT NULL #´ÎÊý £©£» ÏÖÔÚÎÒÏë°ÑAÖеÄÊý¾Ý½øÐÐͳ¼Æ£¬²åÈëBÖУ¬²¢ÇҼǼ¸÷¸ö½ð¶î¶Î³öÏֵĴÎÊý£¬ÆäÖÐBµÄ¸÷¸ö½ð¶î¶Î×ö³É´ÓÅäÖÃÎļþÖжÁÈ¡µÄ£¨Linux»·¾³£©£¬ÕâÑùµÄsqlÓï¾äÓ¦¸ÃÔõôд£¬Ð»Ð»£¡£¡
ÒýÓà ÆäÖÐBµÄ¸÷¸ö½ð¶î¶Î×ö³É´ÓÅäÖÃÎļþÖжÁÈ¡µÄ£¨Linux»·¾³£© Õâ¸öÔõô»¹ÒªÓÃsqlserverÀ´´¦Àí£¿¡£¡£¡£ ÎÒÊÇÔÚshell½Å±¾ÖÐʹÓÃsqlÓï¾äµÄÒýÓà ÒýÓà 3 Â¥ wudiboluo µÄ»Ø¸´: ÒýÓà 2 Â¥ xys_777 µÄ»Ø¸´: ÆäÖÐBµÄ¸÷¸ö½ð¶î¶Î×ö³É´ÓÅäÖÃÎļþÖжÁÈ¡µÄ£¨Linux»·¾³£© Õâ¸öÔõô»¹ÒªÓÃsqlserverÀ´´¦Àí£¿¡£¡£¡£ ÎÒÊÇÔÚshell½Å±¾ÖÐʹÓÃsqlÓï¾äµÄ Unless you can find an OLEDB provider for Linux file system, you will¡¡ ÎÒÓõÄÊÇmysql£¬²»¹ýÎÒÏë¶ÔÓÚÕâµÀÌâÄ¿ÔÚsqlÓï¾äÉÏûÓÐʲô´óµÄ²»Í¬£¬ÎÒÖ»ÊÇÒªsqlÓï¾ä ×Ô¼ºÐ¡¶¥Ò»Ï {{
Ïà¹ØÎÊ´ð£º
´ÓÊý¾Ý¿âÖвéѯһÕűíµÄÊý¾Ý select ²¿ÃÅ,ÐÕÃû from tb ÈçºÎ²ÅÄÜÉú³ÉÏÂÃæµÄxml¸ñʽ XML code: <folder state="unchecked" label="È«²¿"> ¡¡¡¡ <folder state="unchecked&qu ......
tab1 ×Ö¶Î:billdate,goodsid,incount,inmoney,outcount,outmoney,endprice,endcount,endamt tab2 ×Ö¶Î:goodsid,goodskind£¨ÉÌÆ·ÀàÐÍ£© tab3 ×Ö¶Î:goodskind£¨ÉÌÆ·ÀàÐÍ£©,kindname ½á¹û£º µÃµ½ÉÌÆ·ÀàÐÍÔÚÒ»¶Îʱ¼ä ......
ÓÐÕâÑùÒ»ÌõSQL Select Get_Costtaxrate(col1), Get_Tcostvalue(col1) from a ÆäÖÐGet_Costtaxrate¡¢Get_Tcostvalue¶¼ÊǺ¯Êý£¬ÕâÁ½¸öº¯ÊýÀïÃæ¶¼ÊDzéÕÒÒ»¸ö´ó±í£¬Get_Tcostvalue»¹ÐèÒªµ÷ÓÃGet_C ......
Ôõô°ÑMDFÊý¾Ýתµ½MySQL£¿ ÖÁÉٵø½¼Óµ½sqlserverÉÏ ¾ßÌåÔõôŪ°¡ ÎҵıÏÒµÉè¼ÆµÄÊý¾Ý¿âÊÇ´ÓÍøÉÏdownÏÂÀ´µÄ£¿£¿ Ä㻹²»ÈçÖ±½ÓÓÃsqlserverÄØ º¯Êý¡¢´æ´¢¹ý³Ì¶¼µÃ¸ÄÁË¡£ sqlserverûÔõôÓùý¡£Ò²Ã»Óа²× ......
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 ......