asp/asp.netÁ¬½Ósql anywhereÊý¾Ý¿â
<%
set conn= server.createobject("ADODB.connection")
conn.open "driver={sybase driver 10};"
"srvr=SYBASE;"
"UID=sa;"
"pwd=sybase;"
sql="select no from tab_stud"
set rs=conn.Execute("sql")
response.write rs
%>
string connStr = "Provider=SAOLEDB.10;uid=dba;pwd=sql;Links=TcpIp(host=192.168.1.2;serverport=2638);eng=mysadb";
OleDbConnection oleConn = new OleDbConnection(connStr);
OleDbCommand oleComm = new OleDbCommand("select count(*) from t_test");
oleComm.Connection = oleConn;
oleConn.Open();
Response.Write(oleComm.ExecuteScalar());
oleConn.Close();
ÆäÖÐÒªµã£¨¾¶à·½³¢ÊԵóö£©£º°ÑSql anywhereĿ¼win32ÏÂdboledb10.dll£¨°æ±¾Îª10.0.1£©¡¢dboledba10.dll£¨°æ±¾Îª10.0.1£©×¢²áregsvr32 ....
Èç¹ûc:\windows\system32ÏÂûÓÐÕâÁ½¸öÎļþÔò½«Æä¸´ÖƹýÈ¥¡£²âÊÔ10.0.0°æasp.net²»¿ÉÓÃ×ÜÌáʾSAOLEDBδע²á,winform¿ÉÒÔ£¬±ØÐëΪ10.0.1
Ïà¹ØÎĵµ£º
sysforeignkeys
°üº¬¹ØÓÚ±í¶¨ÒåÖÐµÄ FOREIGN KEY Ô¼ÊøµÄÐÅÏ¢¡£¸Ã±í´æ´¢ÔÚÿ¸öÊý¾Ý¿âÖС£
ÁÐÃû Êý¾ÝÀàÐÍ ÃèÊö
constid int FOREIGN KEY Ô¼ÊøµÄ ID¡£
fkeyid int ¾ßÓÐ FOREIGN KEY Ô¼ÊøµÄ±í¶ÔÏó ID¡£
rkeyid int ÔÚ FOREIGN KEY Ô¼ÊøÖÐÒýÓõıí¶ÔÏó ID¡£
fkey smallint ......
SqlÓï¾ä×÷Ϊ¹ú¼Ê±ê×¼µÄÊý¾Ý¿â²éѯÓï¾ä£¬±±¾©°á¼Ò¹«Ë¾ ±±¾©Êèͨ¹«Ë¾ÔÚ¸÷ÖÖ±à³Ì»·¾³Öеõ½Á˹㷺µÄÓ¦Óá£×÷Ϊһ¸ö³ÉÊì¡¢Îȶ¨µÄϵͳ£¬Óû§µÇ½ºÍÃÜÂëÑéÖ¤ÊDZز»¿ÉÉٵġ£ÔÚÆ½Ê±µÄ±à³Ì¹¤×÷ÖÐÐí¶à³ÌÐòÔ±ÔÚÓÃsqlÓï¾ä½øÐÐÓû§ÃÜÂëÑé֤ʱÊÇͨ¹ýÒ»¸öÀàËÆÕâÑùµÄÓï¾äÀ´ÊµÏֵģº
strSel = " Select * from Óû§±í where ÐÕÃû= '" ......
¹«¸æ£º±¾²©¿ÍΪ΢ÈíÔÆ¼ÆËãÖÐÎIJ©¿ÍµÄ¾µÏñ²©¿Í£¬²¢²»±£Ö¤Á´½Ó¿ÉÓÃÐÔ£¬ÎªÁ˱£Ö¤ÔĶÁÌåÑ飬Çë·ÃÎÊhttp://blogs.msdn.com/azchina¡£
SQL Azure vs. SQL Server
¸ÅÒª
SQL Azure Database ÊÇÒ»¸öÀ´×Ô΢ÈíµÄ£¬»ùÓÚÔÆµÄ¹ØÏµÐÍÊý¾Ý¿â·þÎñ¡£SQL Azure Ìṩ¹ØÏµÐÍÊý¾Ý¿â¹¦ÄÜÀ´×÷Ϊ¹«Ó÷þÎñ¡£»ùÓÚÔÆµÄÊý¾Ý¿â½â¾ö·½°¸ ......
ÓõÚÒ»ÖÖ·½·¨£¬ÉÏ´«·þÎñÆ÷ºó£¬ÔÚһЩ·þÎñÆ÷ÖУ¬¿ÉÄÜ»á³öÏÖÒÔÏ´íÎó£º
±ØÐëÔÚweb.configÖÐ¼Ó <system.web><identity impersonate="false"/></system.web> ,·ñÔò³öÏÖ´íÎó£ºSystem.Data.OleDb.OleDbException: δָ¶¨µÄ´íÎó¡£¼ÓÁËÒԺ󣬵ã¶à¼¸´ÎÁ´½Ó£¬» ......
(Ò»)ÉîÈëdz³öÀí½âË÷Òý½á¹¹
¡¡¡¡Êµ¼ÊÉÏ£¬Äú¿ÉÒÔ°ÑË÷ÒýÀí½âΪһÖÖÌØÊâµÄĿ¼¡£Î¢ÈíµÄSQL SERVERÌṩÁËÁ½ÖÖË÷Òý£º¾Û¼¯Ë÷Òý(clustered index£¬Ò²³Æ¾ÛÀàË÷Òý¡¢´Ø¼¯Ë÷Òý)ºÍ·Ç¾Û¼¯Ë÷Òý(nonclustered index£¬Ò²³Æ·Ç¾ÛÀàË÷Òý¡¢·Ç´Ø¼¯Ë÷Òý)¡£ÏÂÃæ£¬ÎÒÃǾÙÀýÀ´ËµÃ÷һϾۼ¯Ë÷ÒýºÍ·Ç¾Û¼¯Ë÷ÒýµÄÇø±ð£º
¡¡¡¡Æäʵ£¬ÎÒÃǵĺºÓï×ÖµäµÄÕýÎı ......