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conn / as sysdba;
create user t1 identified by t1;
create user t2 identified by t2;
grant connect to t1,t2;
grant create table, create view to t1 with admin option;
conn t1/t1
grant create table to t2;
conn / as sysdba;
select * from dba_sys_privs where grantee in('T1', 'T2');
GRANTEE PRIVILEGE ADM
------------------------------ ---------------------------------------- ---
T1 CREATE TABLE YES
T1 CREATE VIEW YES
T2 CREATE TABLE NO
with admin option ¿Éʹ±»ÊÚÓèȨÏÞÕßÓÐȨתÊÚÆäËûÈË¡£
revoke create table, create view from t1;
select * from dba_sys_privs where grantee in('T1', 'T2');
GRANTEE PRIVILEGE ADM
------------------------------ ---------------------------------------- ---
T2 CREATE TABLE NO
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conn test/test
grant select on t to t1 with grant option;
conn t1/t1
grant select on test.t to t2;
conn test/test
select * from dba_tab_privs where grantee in('T1', 'T2');
GRANTEE OWNER TABLE_NAME GRANTOR PRIVILEGE
------------------------------ ------------------------------ ------------------------------ ------- --------------------------------
T2 TEST T T1 SELECT
T1 TEST T TEST SELECT
revoke select on t from t1;
select * from dba_tab_privs where grantee in('T1', 'T2');
SQL> select * from dba_tab_privs where grantee in('T1', 'T2');
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¼¶ÁªÉ¾³ýÒѾ­ÊÚÓèµÄ¶ÔÏóȨÏÞ¡£
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create role ttt;
grant create table, create user, create session to ttt with admin option;
grant select on test.t to ttt with grant option;
SQL> grant select on test.t to ttt with grant option;
grant select on test.t to ttt with grant option
ORA-01926:
 
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grant select on test.t to ttt;
create user d identified by d;
create user e identified by e;
grant ttt to d with admin option;
conn d/d
grant ttt to e;
select * from test.t;
SQL> select * from test.t;
conn / as


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£¨1 £© ×¢ÒâÔö¼ÓÔ¼ÊøÊ±µÄд·¨£¬ºÍORACLE ÂÔÓв»Í¬
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ALTER TABLE SCHEMA.PREFIX_INFO ADD (
CONSTRAINT PK_PREFIX_INFO PRIMARY KEY (INFO_ID));
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alter table schema.prefix_info add constraint prefix_info_pkey primary key(info_id);
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oracleÁ·Ï°£¨mldnÊÓÆµ£©¶þ

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create table person (pid int,name varchar2(20) unique,
age int check(age between 0 and 150),sex varchar(4) default 'ÄÐ',tp int,
address varchar(200),constraint person_pid_pk primary key(pid));
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insert into person values(0011,'ÁõÈý½ã',25,'ÄÐ',13930123021,'ºÓ±±Ê¡ÇúÑôÏØ');
´´½¨×Ó±í ......

oracleÁ·Ï°£¨mldnÊÓÆµ¿Î³Ì£©Èý

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1£¬Ô˶¯Ô±sporter£¨Ô˶¯Ô±±àºÅsporterid£¬Ô˶¯Ô±ÐÕÃûname£¬Ô˶¯Ô±ÐÔ±ðsex£¬ËùÊôϵºÅdepartment£©
2£¬ÏîÄ¿item£¨ÏîÄ¿±àºÅitemid£¬ÏîÄ¿Ãû³Æitemname£¬ÏîÄ¿±ÈÈüµØµãlocation£©
3£¬³É¼¨grade£¨Ô˶¯Ô±±àºÅsporterid£¬ÏîÄ¿±àºÅitemid£¬»ý·Ömark£©
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1£¬¶¨Òå¸÷¸ö±íµÄÖ÷ÂëÍâÂëÔ¼Êø
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http://freeglad.javaeye.com/blog/586444
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backup.sh
rq=`date '+%Y%m%d%H%M'`
su - oracle -c "exp zjhk/zjhk_123 owner=zjhk file=/home/oracle/zjhk_$rq.dmp"
cronÊÇÒ»¸ölinuxÏµĶ¨Ê±Ö´Ðй¤¾ß£¬¿ÉÒÔÔÚÎÞÐèÈ˹¤¸ÉÔ¤µÄÇé¿öÏÂÔËÐÐ×÷Òµ¡£ÓÉÓÚCron ÊÇLinuxµÄÄÚÖ÷þÎñ£¬µ«Ëü²»×Ô¶ ......

linuxÏÂoracleµÄ×Ô¶¯±¸·Ý

linuxÏÂoracleµÄ×Ô¶¯±¸·Ý
http://hohai2002.blog.163.com/blog/static/1628166912010323103227543/
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ÉÏ´«root_cronµ½rootĿ¼
ʹÓÃcrontab ÅäÖÃÎļþ
crontab -u root /root/root_cron
ʹÓÃcrontab -l ¼ì²é
#Îļþ root_cron
01 00 * * * /etc/root_exp.sh
#Îļþroot_exp.sh
su - oracle -c /oracle/db ......
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