SQL Server JDBC Çý¶¯·â×°
1¡¢½¨Á¢Ò»¸öjdbc.jsp Îļþ£º
2¡¢½«ÏÂÃæÏàÓ¦µÄ´úÂë¸´ÖÆµ½jdbc.jspÖÐ
3¡¢±àдҪÁ¬½Óµ½Êý¾Ý¿âµÄjspÎļþʱ£¬Ö»Ð轫jdbc.jspÎļþ°üº¬µ½¸ÃjspÎļþÖоÍÐÐÁË
·½·¨£ºÌí¼Ó<%@ include file="jdbc.jsp">µ½jspÎļþÖм´¿É
//sql server2005:
<%@ page language="java" import ="java.util.*"%>
<%
String DBDriver="com.microsoft.sqlserver.jdbc.SQLServerDriver";
String DBLocation="jdbc:sqlserver://localhost:1433;DatabaseName=sql";//sqlΪ×Ô¼º½¨µÄÊý¾Ý¿âÃû
String DBUser="sa";//×Ô¼ºµÄsql serverÓû§Ãû
String DBPwd="sa";//×Ô¼ºµÄÃØÃÜ
%>
//sql server2000:
<%
// É趨Êý¾Ý¿âÁ¬½ÓµÄÇý¶¯³ÌÐò¡¢Êý¾Ý¿â¡¢Óû§¡¢ÃÜÂë
String DBDriver="com.microsoft.jdbc.sqlserver.SQLServerDriver";
String DBLocation="jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=sql";//sqlΪ×Ô¼º½¨µÄÊý¾Ý¿âÃû
String DBUser="sa";//×Ô¼ºµÄsql serverÓû§Ãû
String DBPwd="sa";//×Ô¼ºµÄÃØÃÜ
%>
Ïà¹ØÎĵµ£º
ÔÚSQLÓï¾äÓÅ»¯¹ý³ÌÖУ¬ÎÒÃǾ³£»áÓõ½hint,ÏÖ×ܽáÒ»ÏÂÔÚSQLÓÅ»¯¹ý³ÌÖг£¼ûOracle HINTµÄÓ÷¨£º
1. /*+ALL_ROWS*/
±íÃ÷¶ÔÓï¾ä¿éÑ¡Ôñ»ùÓÚ¿ªÏúµÄÓÅ»¯·½·¨,²¢»ñµÃ×î¼ÑÍÌÍÂÁ¿,ʹ×ÊÔ´ÏûºÄ×îС»¯.
ÀýÈç:
SELECT /*+ALL+_ROWS*/ EMP_NO,EMP_NAM,DAT_IN from BSEMPMS WHERE EMP_NO='SCOTT';
2. /*+FIRST_ROWS*/
±íÃ÷¶ÔÓï¾ä¿éÑ ......
tempdb¶ÔSQL ServerÊý¾Ý¿âÐÔÄÜÓкÎÓ°Ïì
±¾ÎĹؼü´Ê£ºSQL Server ÍøÂç
Ïà·´Èç¹û·ÃÎÊºÜÆµ·±,loading¾Í»á¼ÓÖØ,tempdbµÄÐÔÄܾͻá¶ÔÕû¸öDB²úÉúÖØÒªµÄÓ°Ïì.ÓÅ»¯tempdbµÄÐÔÄܱäµÄºÜÖØÒªµÄ,ÓÈÆä¶ÔÓÚ´óÐÍÊý¾Ý¿â.Èç¹ûʹÓÃÁÙʱ±í´¢´æ´óÁ¿µÄÊý¾ÝÇÒÆµ·±·ÃÎÊ,¿¼ÂÇÌí¼ÓindexÒÔÔö¼Ó²éѯЧÂÊ.
¡¡ 1.SQL ServerϵͳÊý¾Ý¿â½é ......
±¾ÎĹؼü´Ê£ºSQL 2008 SQL SQL Server SQL Server 2008
¶ÔÓÚ¼´½«ÔÚ2008ÄêÂ¡ÖØ·¢²¼µÄSQL Server 2008£¬Î¢ÈíÆÚÍûÊг¡²»½ö½öÊǰÑËü×÷Ϊ¹ØÏµÊý¾Ý¿âϵͳÀ´¿´´ý£¬Î¢Èí½«Æä¶¨Î»ÎªÒ»¸öÆóÒµÊý¾Ýƽ̨£¬ËäÈ»¹ØÏµÊý¾Ý¿âÒýÇæÈÔÈ»ÊÇSQL Server 2008µÄºËÐÄ£¬²»¹ýSQL Server 2008ËùÄÜÌṩµÄ·þÎñ¹ã¶È½«Ô¶³¬¹ý¼òµ¥µÄ¹ØÏµÊý¾ ......
SQL²»Í¬ÓÚÆäËû±à³ÌÓïÑÔµÄ×îÃ÷ÏÔÌØÕ÷ÊÇ´¦Àí´úÂëµÄ˳Ðò¡£ÔÚ´ó¶àÊý¾Ý¿âÓïÑÔÖУ¬´úÂë°´±àÂë˳Ðò±»´¦Àí¡£µ«ÔÚSQLÓï¾äÖУ¬µÚÒ»¸ö±»´¦ÀíµÄ×Ó¾äʽfrom£¬¶ø²»ÊǵÚÒ»³öÏÖµÄSELECT¡£SQL²éѯ´¦ÀíµÄ²½ÖèÐòºÅ£º
view source
< id="highlighter_299531_clipboard" title="copy to clipboard" clas ......