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SQL> alter user scott account unlock; £¨Íê³É½âËøµÄ²Ù×÷£©
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SQL> alter user scott identified by tiger; £¨ÖØÐ¸øscottÕâ¸öÓû§É趨ÃÜÂ룩
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SQL> conn scott/tiger  
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create table a(id number);
create table b(id number);
insert into a values(1);
insert into a values(2);
insert into a values(3);
insert into b values(1);
insert into b values(2);
insert into b values(4);
commit;
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select * from a left ......

oracleÊý¾Ý¿âµ¼½øACEESSµÄ·½·¨

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ACCESSÖÐÊDz»¿ÉÄܵġ£ÄÇ為ÁË×öµ½´ÓTOADÖн«Êý¾Ýµ¼ÈëACCESSÔËÓüä½ÓÇþµÀ¡£¿ÉÒÔÓÃÎı¾Îļþ»òxlsµÈÎļþ¡£Æäʵ×îÁîÎҸе½¾ªÏ²µÄÊÇ£¬ÎÒÊÇͨ¹ýsql 2000×÷為Ò»¸ö¼ä½ÓµÄÖн飬ÒòĠ ......

JDBC´æÈ¡ORACLE´óÐÍÊý¾Ý¶ÔÏóLOB¼¸ÖÖÇé¿öµÄʾ·¶Àà

      import Java.io.*;
¡¡¡¡import java.util.*;
¡¡¡¡import java.sql.*;
¡¡¡¡public class LobPros
¡¡¡¡{
¡¡¡¡/**
¡¡¡¡* OracleÇý¶¯³ÌÐò
¡¡¡¡*/
¡¡¡¡private static final String DRIVER = "oracle.jdbc.driver.OracleDriver";
¡¡¡¡/**
¡¡¡¡* ORACLEÁ¬½ÓÓÃURL
¡¡¡¡*/
¡¡¡¡p ......

sql serverºÍoracleÐÐתÁеÄÒ»ÖÖµäÐÍ·½·¨

sql serverºÍoracleÐÐתÁеÄÒ»ÖÖµäÐÍ·½·¨
ǰÑÔ£ºÍøÉÏÓв»ÉÙÎÄÕÂÊǽ²ÐÐתÁе쬵«ÊǴ󲿷ֶ¼ÊÇÖ±½ÓÌù´úÂ룬ºöÊÓÁËÖмä¹ý³Ì£¬±¾ÈË×Ô¼ºË¼¿¼ÁËÏÂΪʲôҪÕâÑùʵÏÖ£¬²¢ÇÒ×öÁËÈçϵıʼǣ¬¶ÔÓÐЩ¶®µÄÈËÀ´Ëµ¿ÉÄÜûÓмÛÖµ£¬Ï£Íû¶Ô»¹²»¶®µÄÈËÓÐÒ»µã½è¼øÒâÒå¡£
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Create Oracle Data Source

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   OracleDataSource dataSource = new OracleDataSource();
   dataSource.setDriverType("oracle.jdbc.driver.OracleDriver");
   dataSource.setURL("jdbc:oracle:thin:@localhost:1521:ORCL");
   ......
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