Oracle²é詢歷Ê·²Ù×÷記錄
1.ÒÔsysdbaÉí·Ý進Èë
2.show parameter audit
3.alter system set audit_sys_operations = true scope = spfile
4.alter system set audit_trail = db,extended scope = spfile
5.startup force
6.show parameter audit
7.audit select table,insert table,delete table,execute procedure by access
Ïà¹ØÎĵµ£º
oracle±í¿Õ¼ä²Ù×÷Ïê½â
1
2
3×÷Õߣº À´Ô´£º ¸üÐÂÈÕÆÚ£º2006-01-04
5
6
7½¨Á¢±í¿Õ¼ä
8
9CREATE TABLESPACE data01
10DATAFILE '/ora ......
µ¥±íÊý¾ÝÇ¨ÒÆ£ºÖ§³Öclob,blob
exp estarcom/estarcom@ORACLE tables=AA direct=y file=C:/AAA1.dmp
¡¡¡¡ imp estarcom/estarcom@ORACLE tables=AA file=C:/AAA1.dmp fromuser=estarcom touser=estarcom
È«¿âÊý¾ÝÇ¨ÒÆ
exp userid=zhongxin/zhongxin@ORACLE own ......
The RETURNING INTO clause allows us to return column values for rows affected by DML statements. The following test table is used to demonstrate this clause.
DROP TABLE t1;
DROP SEQUENCE t1_seq;
CREATE TABLE t1 (
id NUMBER(10),
description VARCHAR2(50),
CONSTRAINT t1_pk PRIMARY KEY (id)
......
oracleµÄnvlº¯ÊýµÄÓ÷¨ ͨ¹ý²éѯ»ñµÃij¸ö×ֶεĺϼÆÖµ£¬Èç¹ûÕâ¸öֵλnull½«¸ø³öÒ»¸öÔ¤ÉèµÄĬÈÏÖµ
select nvl(sum(t.dwxhl),1) from tb_jhde t where zydm=-1ÕâÀï¹ØÐĵÄnvlµÄÓ÷¨£¬nvl£¨arg,value£©´ú±íÈç¹ûÇ°ÃæµÄargµÄֵΪnullÄÇô·µ»ØµÄֵΪºóÃæµÄvalue
Èç: NVL(a,b)¾ÍÊÇÅжÏaÊÇ·ñÊÇNULL,Èç¹û²»ÊÇ·µ»ØaµÄÖµ£¬Èç¹ ......
1¡¢´´½¨±í¿Õ¼ä
CREATE TABLESPACE mytablespace DATAFILE
'F:\oracle\product\10.2.0\oradata\myoracle\MYTABLESPACE01.DBF' SIZE 500M AUTOEXTEND ON NEXT
100M MAXSIZE UNLIMITED
LOGGING
PERMANENT
EXTENT MANAGEMENT LOCAL AUTOALLOCAT ......