Oracle»ù´¡Óï¾ä
1¡¢
Á¬½ÓÊý¾Ý¿â
connect uuu/ooo
connect
sys/ok as sysdba
2¡¢
´´½¨±í¿Õ¼ä
create tablespace stu(±í¿Õ¼äÃû
) datafile
‘
e:\stu.dbf
’
size 100m autoextend on next 5m maxsize 500m;
3¡¢
ɾ³ý±í¿Õ¼ä
drop tablespace stu including contents and datafiles;
4¡¢
´´½¨Óû§
create user uuu(Óû§Ãû
) identified by uuu(
ÃÜÂë
) default tablespace stu(
±í¿Õ¼äÃû
);
5¡¢
ÐÞ¸ÄÓû§ÃÜÂë
alter user uuu identified by ppp(xÐÂÃÜÂë
);
6¡¢
ɾ³ýÓû§
drop user uuu casoade;
7¡¢
Ëø¶¨Óû§
alter user uuu account lock;
8¡¢
½âËøÓû§
alter user uuu account unlock;
9¡¢
ÊÚÓèÓû§È¨ÏÞ
grant all to uuu(Óû§Ãû
);
//ÊÚȨËùÓÐȨÏÞ
grant create session to uuu;
//ÊÚȨÁ¬½ÓÊý¾Ý¿âȨÏÞ
grant connect,resource to uuu;
10¡¢
²é¿´Óû§È¨ÏÞ
select * from user_sys_privs;
11¡¢
ɾ³ýÓû§È¨ÏÞ
revoke all from uuu;
12¡¢
´´½¨±í
create table STUDENT
(
STUNO VARCHAR2(20) not null,
STUNAME VARCHAR2(50),
BIRTHDAY DATE,
XUELI VARCHAR2(10),
SEX INTEGER
)
tablespace STUDB
;
13¡¢
ɾ³ý±í
drop table student;
14¡¢
´´½¨Ö÷¼üÔ¼Êø
alter table student
add constraint
pk_stuno
primary key(stuNo);
´´½¨check
Ô¼Êø
alter table
student
add constraint
ck_name
check (
saly>100
);
15¡¢
´´½¨Íâ¼üÔ¼Êø
alter table STUDENT add constraint FK_SEX foreign key (SEX) refe
Ïà¹ØÎĵµ£º
ÓÃOracle9i×Ô´øµÄÆóÒµ¹ÜÀíÆ÷»òPL/SQLͼÐλ¯µÄ·½·¨´´½¨±í¿Õ¼äºÍÓû§ÒÔ¼°·ÖÅäȨÏÞÊÇÏà¶Ô±È½Ï¼òµ¥µÄ£¬±¾ÎÄÒª½éÉܵÄÊÇÁíÒ»ÖÖ·½·¨£¬Ê¹ÓÃOracle 9iËù´øµÄÃüÁîÐй¤¾ß£ºSQLPLUSÀ´´´½¨±í¿Õ¼ä£¬Õâ¸ö·½·¨ÓÃÆðÀ´¸ü¼Ó¼òÃ÷¿ì½Ý¡£
¼ÙÉè ......
ÒÔǰÓиöÏîÄ¿½«Óû§±í½¨Á¢ÔÚÁËsystemÓû§ËùÊôÏ£¬ºóÀ´·¢¾õΣº¦Ï൱´ó£¬×¼±¸½«±í¶ÔÏó×ªÒÆµ½Ð½¨Á¢µÄLANDÓû§Ï£¬Ã»ÕÒµ½Ö±½ÓµÄ°ì·¨£¬ÓÃÒÔϰ취µÃÒÔʵÏÖ£º
1¡¢½¨Á¢ÐµÄLANDÓû§£¬ÔÚ·þÎñÆ÷µÄOracle Enterprise ManagerÀï·ÖÅä ¶ÔÏóȨÏÞ £¬Ìí¼Ó¶ÔsystemÖÐÊý¾Ý±í¶ÔÏóµÄ select ȨÏÞ¡£
2¡¢ÒÔ LAND Óû§µÇ¼£¬Ê¹ÓÃÃüÁ ......
Ò». ËÀËøµÄ¼ì²â
--²éËÀËøµÄ»á»°¡£
select A.sid, b.serial#,
decode(A.type,
'MR', 'Media Recovery',
'RT','Redo Thread',
'UN','User Name',
'TX', 'Transaction',
'TM', ' ......
DECODEº¯ÊýÊÇORACLE PL/SQLÊǹ¦ÄÜÇ¿´óµÄº¯ÊýÖ®Ò»£¬Ä¿Ç°»¹Ö»ÓÐORACLE¹«Ë¾µÄSQLÌṩÁ˴˺¯Êý£¬ÆäËûÊý¾Ý¿â³§É̵ÄSQLʵÏÖ»¹Ã»Óд˹¦ÄÜ¡£DECODEÓÐʲôÓÃÍ¾ÄØ£¿ Ïȹ¹ÔìÒ»¸öÀý×Ó£¬¼ÙÉèÎÒÃÇÏë¸øÖÇÐÇÖ°Ô±¼Ó¹¤×Ê£¬Æä±ê×¼ÊÇ£º¹¤×ÊÔÚ8000ÔªÒÔϵĽ«¼Ó20£¥£»¹¤×ÊÔÚ8000ÔªÒÔÉϵļÓ15£¥£¬Í¨³£µÄ×ö·¨ÊÇ£¬ÏÈÑ¡³ö¼Ç¼ÖеŤ×Ê×Ö¶ÎÖµ? select s ......