ÈçºÎÓÃSQLÓïÑÔÑ¡Ôñ±íÖеĵڶþÌõµÚÈýÌõµÚNÌõ¼Ç¼
ÈçºÎÓÃSQLÓïÑÔÑ¡Ôñ±íÖеĵڶþÌõµÚÈýÌõµÚNÌõ¼Ç¼
--IDΪΨһÐÔ¾ÍÐÐÁË
select top 1 * from table
where ID not in(select top 1 ID from table)--µÚ2Ìõ
select top 1 * from table
where ID not in(select top 2 ID from table)--µÚ3Ìõ
Ïà¹ØÎĵµ£º
sql serverÊý¾Ý¿â±¸·Ý·½°¸
2008-08-05 13:15
SQL Server Êý¾Ý¿â±¸·Ý·½°¸
ΪÁ˱£Ö¤SQL Server Êý¾ÝµÄ°²È«£¬Êý¾Ý¿â¹ÜÀíÔ±Ó¦¶¨ÆÚ±¸·ÝÊý¾Ý¿â£¬ÔÚ²»Í¬Çé¿öÏÂÓ¦²ÉÓò»Í¬±¸·ÝÊý¾Ý¿â±¸·Ý²ßÂÔ£¬Ò»·½Ãæά³ÖÊý¾ÝµÄ°²È«ÐÔ£¬ÁíÒ»·½ÃæÒ²¿É±£³ÖSQL Server ÄÜ˳³©ÔËÐС£¾¡×î´óµÄŬÁ¦¼õÉÙÓÉÓÚÊý¾ÝµÄË𻵶Կͻ§Ôì³ÉµÄËðʧ¡£
¸ÅÄî
1) ±¸·Ý ......
ÔÎĵØÖ·£ºhttp://www.dingos.cn/index.php?topic=1688.0
OracleÓÐrownumÓÃÓÚ·ÃÎʱíÖÐÐкš£ÄÇôÔÚSQL ServerÖÐÊÇ·ñÓеÈЧµÄÄØ£¿»òÕßÔÚSQL ServerÖÐÈçºÎÊä³öÐкţ¿
-----------------------------------
ÔÚSQL ServerÖÐûÓÐÖ±½ÓµÈЧÓÚOracleµÄrownum
-----------------------------------
Ñϸñ˵À´£¬ÔÚ¹ØϵÊý¾Ý¿âÖУ ......
ÉϽÚÎÒÃǽéÉÜÁ˱íÁ¬½Ó£¬¸üÈ·ÇеÄ˵ÊÇinner joins內Á¬½Ó£®
¡¡¡¡內Á¬½Ó½öÑ¡³öÁ½ÕűíÖл¥ÏàÆ¥ÅäµÄ¼Ç¼£®Òò´Ë£¬Õâ»áµ¼ÖÂÓÐʱÎÒÃÇÐèÒªµÄ¼Ç¼ûÓаüº¬½øÀ´¡£
¡¡¡¡Îª¸üºÃµÄÀí½âÕâ¸ö¸ÅÄÎÒÃǽéÉÜÁ½¸ö±í×÷ÑÝʾ¡£ËÕ¸ñÀ¼Òé»áÖеÄÕþµ³±í(party)ºÍÒéÔ±±í(msp)¡£
party(Code,Name,Leader)
Code: Õþµ³´úÂë
Name: Õþµ³ ......
Orcale µÄSQL Óï¾äÈ¡µÃϵͳµ±Ç°Ê±¼äÓãºsysdate
µ±ÐèÒªÔÚϵͳµ±Ç°ÈÕÆÚÉϼõÈ¥Ò»Ììʱ¿ÉÒÔÓà sysdate-1
¸½£ºµ±Ö»¶ÔÒ»¶¨ÊýÁ¿µÄ¼Ç¼¸ÐÐËȤʱ¿ÉÒÔÈç rownum<100
select * from SLYC_CUSTINFO_T where indbtime>sysdate-1 and OFFICE_CODE='46' and rownum<1 ......
import java.io.*;
import java.sql.*;
public class DBConn {
private String ADDRESS ;
private int PORT ;
private String DBNAME ;
private String USERNAME ;
private String PASSWORD ;
private Connection conn ;
private PreparedStatement pstmt ;
pri ......