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

SQLÓï¾äÔÚJavaScriptÖеÄÓ¦ÓÃ

×î½üÒ»Ö±ÔÚÓÃjavascriptÔÚ×öÏîÄ¿
¿ÉÊÇ×ö×Å×ö×Å
¸Ð¾õºÜ¶à¹¦ÄÜ´úÂë¶¼ÊÇÖØ¸´µÄ¡£
±ÈÈç¶ÔjavascriptÊý×éµÄÅÅÐò
»¹ÓжÔÊý×éÊý¾ÝµÄɾѡÒÔ¼°·Ö×é
ËùÒÔ£¬ºóÀ´ÐËÖÂÒÔÉÏÀ´¡£
Ò»·¢²»¿ÉÊÕʰ¡£
дÁËÒ»¸öÄÜÔÚjavascriptÖÐÓ¦ÓÃµÄ SQL ¿â
ºóÀ´ÓÖÏ룬Ôõô²»ÄÜÓÃjavascriptÖ±½ÓÁ¬½ÓÊý¾Ý¿âÄØ£¿
ÓÖ×öÁËÒ»¸öjavascriptÖ±Á¬SqlÊý¾ÝµÄÀà¿â
ºóÀ´£¬ÓÖÏëµ½Æäʵ»¹¿ÉÒÔÓÃSQLÓï¾äÀ´²Ù×÷HTML DOMÄ£ÐÍ
ÔÙÔÙÔÙºóÀ´£¬ÓÖ¿´µ½ÁËHTML5ÖжÔweb DBµÄʵÏÖ
ËùÒÔ¶ÔwebDB£¬¾ÍÊÇchromeºÍsafariÖеÄsqliteµÄ·â×°
ÓÚÊǺõ¾ÍÓÐÁË£º
1.´Ó·þÎñÆ÷ÉÏ»ñÈ¡Êý¾Ý¡¢Ö´ÐÐSQL²Ù×÷£º
    _SQLPROXYURL_ = 'SQLProxy.php';
    _SQLSERVERHOST_ = 'localhost';
    _SQLUSERNAME_ = 'root';
    _SQLPASSWORD_ = '';
    _SQLDATABASE_ = 'HotelManageMent';
    var result = "select * from Room".OnServer().executeSQL();
    for(var i=0; i<result.length; i++) {
        //do something here.... using result[i];
    }
2.²Ù×÷Javascript Object Array ¡¢Ö´ÐÐSQL²Ù×÷£º
    var Room = [
            {
                ID: 'bot',
                name: 'test',
                sex: true
            }, {
                ID: 2,
                name: 'test8',
                sex: true
            }, {
                ID: 3,
                name: 'test5',
       


Ïà¹ØÎĵµ£º

ÇÉÓÃSQL PIVOTʵÏÖ»·¾³¼à²âÊý¾ÝµÄ¡°Êúºá¡±×ª»»


Ë®»·¾³¼à²âÊý¾Ý´æ´¢½á¹¹ÖÐÓÐÒ»ÖÖģʽ½Ð×ö"Êú±íģʽ"£¬¼´ÔÚ¼à²âÊý¾Ý±íÖУ¬Ä³¸öµãλÔÚij¸öʱ¼äµãÉϸ÷¼à²âÏîÄ¿µÄŨ¶È²â¶¨ÖµÔÚÎïÀí±íÖд洢ÔÚ¶àÌõ¼Ç¼ÖУ¬³ÊÊú×´·Ö²¼¡£¼à²âÊý¾Ý±íÖаüº¬²âµã´úÂë¡¢¼à²âʱ¼ä¡¢¼à²âÏîÄ¿´úÂ롢Ũ¶È²â¶¨ÖµµÈ£¬ËùÓмà²âÏîÄ¿µÄŨ¶È²â¶¨Öµ¶¼´æ´¢ÔÚͬһ¸ö×Ö¶ÎÖУ¬¼ÓÒÔ¼à²âÏîÄ¿´úÂë×÷ÎªÇø·Ö×ֶΡ£
"Êú ......

½²½âMSSQLÊý¾Ý¿âÖÐSQLËø»úÖÆºÍÊÂÎñ¸ôÀë¼¶±ð

Ëø»úÖÆ
NOLOCKºÍREADPASTµÄÇø±ð¡£
1. ¿ªÆôÒ»¸öÊÂÎñÖ´ÐвåÈëÊý¾ÝµÄ²Ù×÷¡£
BEGIN TRAN t
INSERT INTO Customer
SELECT 'a','a'
2. Ö´ÐÐÒ»Ìõ²éѯÓï¾ä¡£
SELECT * from Customer WITH (NOLOCK)
½á¹ûÖÐÏÔʾ"a"ºÍ"a"¡£µ±1ÖÐÊÂÎñ»Ø¹öºó£¬ÄÇôa½«³ÉΪÔàÊý¾Ý¡£(×¢:1ÖеÄÊÂÎñδÌá½») ¡£NOLOCK±íÃ÷ûÓжÔÊý¾Ý±íÌí¼Ó¹²Ï ......

sqlÖÐand¼°or µÄÖ´ÐÐЧÂÊ

Ó¦ÓÃÖз¢ÏÖsqlÖеÄand¼°orµÄÖ´ÐÐЧÂÊÎÊÌâ
£ó£ñ£ìÓï¾ä£¬ÎªÊ²Ã´°Ñ×îºóµÄ£ï£ò»»³É£á£î£ä£¬²éѯµÄ¾ÍºÜ¿ì£¬Ê¹ÓõÄÊÇmssql·¶ÀýÖÐnorthwindÊý¾Ý¿âΪÀý£¬
select * from Orders a left join [Order Details] b on a.orderid = b.orderid
where a.customerid like '%ics%' or b.productid in (42,72)
×·×ÙÁËÓï¾äµÄÖ´Ðз½°¸,·¢ÏÖ ......

PL/SQLµ¼Èëµ¼³ö±í½á¹¹

µ¼³ö±í½á¹¹:
Tools-->Export User Objects -->Ñ¡ÔñÒªµ¼³öµÄ±í(°üÀ¨SequenceµÈ)-->.sqlÎļþ
µ¼³ö±íÊý¾Ý:
Tools-->Export Tables-->Ñ¡Ôñ±í,Ñ¡ÔñSQL Inserts-->.sqlÎļþ
Ö´ÐÐÕâЩ.sqlÎļþʱ,ҪʹÓÃн¨Command WindowÀ´Ö´ÐÐ. ......

SQL¿çÓû§È¡½øÐÐÊý¾Ý¿â²Ù×÷£¨ÕâÀïÓõ½ÁËleft join£©

select ks.login_name,ks.exam_name,ks.start_time,ks.end_time,cj.score
from (
     select u.user_id,u.login_name,e.* from  cphrms.EXAM_USER eu, cphrms.users u, cphrms.exam_info e
     where eu.user_id = u.user_id and eu.exam_id = e.exam_id
) ks
left ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ