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1¡¢¹Ø±ÕÊý¾Ý¿â >>shutdown immediate;
2¡¢¿½±´Îļþ£¨*.dbf)µ½Ä¿µÄÎļþ¼Ð;
3¡¢Æô¶¯Êý¾Ý¿â >>startup mount;
4¡¢¸ü¸Ä·¾¶
>>alter database rename file 'C:\oracle\oradata\global\USERS01.DBF' to 'D:\oracle\USERS01.DBF';
>>alter database rename file 'C:\oracle\oradata\global\UNDOTBS01.DBF' to 'D:\oracle\UNDOTBS01.DBF';
5¡¢´ò¿ªÊý¾Ý¿â >>alter database open;
ÁíÍ⣬¿Éͨ¹ýÒÔÏÂÖ¸Áî²é¿´ËùÓбí¿Õ¼äÊý¾ÝÎļþλÖãº
select file_name from sys.dba_data_files; ......
ÎÒÏë×î³õѧϰÊý¾Ý¿âʱ¶¼ÊÇÒÔstudent±í¡¢course±íºÍsc±íΪÀýµÄ°É
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»·¾³£ºoracle 10g
declare
vcnt number;
begin
select count(*) into vcnt from user_tables where table_name='SC';
If vcnt = 1 Then
Execute immediate 'drop table sc';
end if;
select count(*) into vcnt from user_tables where table_name='STUDENT';
If vcnt = 1 Then
Execute immediate 'drop table student';
end if;
select count(*) into vcnt from user_tables where table_name='COURSE';
If vcnt = 1 Then
Execute immediate 'drop table course';
end if;
end;
/
--´´½¨±í
Create table student
(sno char(10) primary key,
sname varchar(20) not null,
sage smallint,
ssex char(2),
sdept varchar(20));
Create table course
(cno char(10) primary key,
cname varchar(20) not null,
credit smallint);
Create table sc
(sno ......
£¨1£©²éѯC01¿Î³Ì³É¼¨²»ÎªNullµÄѧÉúµÄÐÕÃûºÍ³É¼¨¡£
·ÖÎö£ºÒòÎªÉæ¼°µ½¿Î³Ì³É¼¨ºÍѧÉúÐÕÃû£¬ÐèÒª¶Ôstudent±íºÍsc±í½øÐÐÁ¬½Ó¡£
´úÂ룺
select sname,grade from student,sc where student.sno=sc.sno and cno='C01' and grade is not null;
½á¹û£º
SNAME GRADE
-------------------- ---------------------------------------
¸ðÁé &nbs ......
ÔÚÐéÄâ»úRed Hat Enterprise Linux 4 update 4Öа²×°oracle 10.2.0.1
1)²é¿´ÏµÍ³ÄÚ´æ
[root@linux4 ~]# grep MemTotal /proc/meminfo
2)²é¿´½»»»Çø´óС
[root@linux4 ~]# grep SwapTotal /proc/meminfo
3)
²é¿´/tmpĿ¼´óС
[root@linux4 ~]# df -m /tmp
4)²é¿´²Ù×÷ϵͳ°æ±¾
[root@linux4 ~]# cat /etc/issue
5)¼ì²éϵͳÊÇ·ñ×°ÓÐÈçÏÂÈí¼þ°ü
binutils-2.15.92.0.2-13.EL4
compat-db-4.1.25-9
compat-libstdc++-296-2.96-132.7.2
control-center-2.8.0-12
gcc-3.4.3-22.1.EL4
gcc-c++-3.4.3-22.1.EL44
glibc-2.3.4-2.9
glibc-common-2.3.4-2.9
gnome-libs-1.4.1.2.90-44.1
libstdc++-3.4.3-22.1
libstdc++-devel-3.4.3-22.1
make-3.80-5
pdksh-5.2.14-30
sysstat-5.0.5-1
xscreensaver-4.18-5.rhel4.2
setarch-1.6-1
ʹÓÃrpm –qÃüÁî²é¿´ÉÏÊöÈí¼þ°ü
6)´´½¨oinstall×é
[root@linux4 ~]# /usr/sbin/groupadd oinstall
´´½¨oper×é
[root@linux4 ~]# /usr/sbin/groupadd oper
7)
´´½¨oracleÓû§£¬Ö¸¶¨ÆäÖ÷×éΪoinstall£¬²¢»¹ÊôÓÚ×édbaºÍoper
[root@linux4 ~]# useradd -g oinstall -G dba,oper oracle
[root@linux4 ~]# passwd oracle
ÉèÖ ......
ÔÚÐéÄâ»úRed Hat Enterprise Linux 4 update 4Öа²×°oracle 10.2.0.1
1)²é¿´ÏµÍ³ÄÚ´æ
[root@linux4 ~]# grep MemTotal /proc/meminfo
2)²é¿´½»»»Çø´óС
[root@linux4 ~]# grep SwapTotal /proc/meminfo
3)
²é¿´/tmpĿ¼´óС
[root@linux4 ~]# df -m /tmp
4)²é¿´²Ù×÷ϵͳ°æ±¾
[root@linux4 ~]# cat /etc/issue
5)¼ì²éϵͳÊÇ·ñ×°ÓÐÈçÏÂÈí¼þ°ü
binutils-2.15.92.0.2-13.EL4
compat-db-4.1.25-9
compat-libstdc++-296-2.96-132.7.2
control-center-2.8.0-12
gcc-3.4.3-22.1.EL4
gcc-c++-3.4.3-22.1.EL44
glibc-2.3.4-2.9
glibc-common-2.3.4-2.9
gnome-libs-1.4.1.2.90-44.1
libstdc++-3.4.3-22.1
libstdc++-devel-3.4.3-22.1
make-3.80-5
pdksh-5.2.14-30
sysstat-5.0.5-1
xscreensaver-4.18-5.rhel4.2
setarch-1.6-1
ʹÓÃrpm –qÃüÁî²é¿´ÉÏÊöÈí¼þ°ü
6)´´½¨oinstall×é
[root@linux4 ~]# /usr/sbin/groupadd oinstall
´´½¨oper×é
[root@linux4 ~]# /usr/sbin/groupadd oper
7)
´´½¨oracleÓû§£¬Ö¸¶¨ÆäÖ÷×éΪoinstall£¬²¢»¹ÊôÓÚ×édbaºÍoper
[root@linux4 ~]# useradd -g oinstall -G dba,oper oracle
[root@linux4 ~]# passwd oracle
ÉèÖ ......
Oracle RAC Workload Management:
service usage preferred instances available instances prority response time warning/critical
ERP client RDB1 RDB2 high 0.5/0.75
SELF_
SERVICE client RDB1,RDB2 - &n ......