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?[Copy to clipboard]View Code SQL
SQL> connect scott/tiger@ora
Ê×ÏÈ£¬½«Õâ¸öÃüÁî·Ö½âΪÏÂÁÐ×é¼þ£ºÊý¾Ý¿âÓû§Ãû“scott”£¬¿ÚÁî“tiger”£¬·Ö¸ôÓû§Óë¿ÚÁîµÄ“/”£¬“@”·ûºÅ£¬Á¬½Ó´®“ora”¡£ÆäÖГ@”·ûºÅָʾÁËÍøÂçÁ¬½ÓËùÐèµÄÓû§½ø³Ì¡£Èç¹ûÊ¡ÂÔ“@”·ûºÅÓëÁ¬½Ó´®£¬ÄÇôÓû§½ø³Ì±»È϶¨Á¬½ÓʵÀýÔÚ±¾µØ»úÆ÷ÉÏÔËÐУ¬²¢ÇÒʼÖÕÄܹ»Ê¹ÓÃIPCÐÒé¡£Èç¹ûÃüÁîÖаüº¬“@”·ûºÅÓë×Ö·û´®£¬Óû§Àï³ÌÈ϶¨ÊÇÇëÇóÁ¬½ÓÔ¶³Ì»úÆ÷ÉϵÄÒ»¸öʵÀý¡£
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?[Copy to clipboard]View Code SQL
$ export ORACLE_SID=ocp
$ sqlplus / as sysdba
SQL> startup
SQL> select instance_name from v$instance;
INSTANCE_NAME
----------------
ocp
SQL> exit
$ export ORACLE_SID=ora
$ sqlplus / as sysdba
SQL> startup
SQL> select instance_name from v$instance;
INSTANCE_NAME
----------------
ora
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import java.net.URL;
import java.sql.*;
public class Create {
public Create() {
}
public static void main(String[] args){
String url = "jdbc:oracle:thin:@10.0.1.3:1521:SDCDB" ......
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1.forcing log switches
sql> alter system switch logfile;
2.forcing checkpoints
sql> alter system checkpoint;
3.adding online redo log groups
sql> alter database add logfile [group 4]
sql> ('/disk3/log4a.rdo','/disk4/log4b.rdo') size 1m;
4.adding online re ......
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Êý¾Ý¿â¹ÜÀíϵͳ£¨Database Management System£¬¼ò³ÆDBMS£©
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1¡¢ÒÔOracleÓû§µÇ¼µ½Linuxϵͳ¡£
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?[Copy to clipboard]View Code BASH
$ LANG="en_US"
3¡¢ÓÉÓÚÏÈǰÎÒÃÇÒѾ°Ñ»·¾³±ä ......
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-´´½¨±í¸ñÓï·¨:
create table ±íÃû(
×Ö¶ÎÃû1 ×Ö¶ÎÀàÐÍ(³¤¶È) ÊÇ·ñΪ¿Õ,
×Ö¶ÎÃû2 ×Ö¶ÎÀàÐÍ ÊÇ·ñΪ¿Õ
);
-Ôö¼ÓÖ÷¼ü
alter table ±íÃû add constraint Ö÷¼üÃû primary key (×Ö¶ÎÃû1);
-Ôö¼ÓÍâ¼ü:
alter table ±íÃû
  ......