分组排名
分组排名:按object_type分组,求出前5个大的object_id的数据。测试步骤:SQL> create table test as select object_id, object_type from all_objects;Table created.SQL> SELECT * 2 ...
Oracle 11g ODBC ORA-01017: invalid username/password
Oracle 11g ODBC ORA-01017: invalid username/password 在odbc中配置连接oracle,出现ORA-01017: invalid username/password错误, ALTER SYSTEM SET SEC_CASE_SENSITIVE_LOGON = FALSE; 禁止...
RAC准备工作
1 hardware requirement1g memory2g swap400m tmp2 network requirementtwo adaptersrdb1rdb2rdb1-privrdb2-privrdb1-viprdb2-vip3 ntp 4 software requirementpackage/etc/issue5 kernal parameter6 sshssh db...
data guard功能笔记
建立data guard有俩种方式来建立data guard,一种手工,一种是用企业管理页面。1 用企业管理页面来创建data guardalter database force logging;alter database archivelog;alter database add standby log ;2 手...
SQL跟踪文件计划的常用工具笔记
SQL跟踪文件的常用工具1 set autotrace trace2 alter session set sql_trace true3 使用dbms_monitorexec dbms_monitor.SESSION_TRACE_ENABLE(session_id => 27, serial_num => 60, waits => TRUE, binds => FALS...
内存自动管理笔记
使用spfile当sga_target设置不为零时,可以查看sga target设置建议。SELECT SGA_SIZE, SGA_SIZE_FACTOR FROM V$SGA_TARGET_ADVICE;查看db_cache_size建议select name, SIZE_FOR_ESTIMATE, SIZE_FACTOR FROM V$DB_C...
AWR 功能笔记
================================addm配置awr reportBEGIN DBMS_WORKLOAD_REPOSITORY.MODIFY_SNAPSHOT_SETTINGS( retention => 43200, ...
statspck功能笔记
1 安装statspack创建表空间CREATE TABLESPACE perfstat_tbs DATAFILE '/u02/oradata/test/perfstat_tbs01.dbf' SIZE 50M AUTOEXTEND ON NEXT 1M MAXSIZE 1000M EXTENT MANAGEMENT LOCAL AUTOALLOC...
SQL Tuning Task功能笔记
http://www.oracle-base.com/articles/10g/AutomaticSQLTuning10g.php自动SQL调优建议:统计信息,SQL Profile,访问路径,SQL结构分析1 创建一个查询的sql tuning taskdeclarel_task_id ...
SQL Access Advisor功能笔记
SQL Access Advisor: 根据系统的负载推荐SQL的访问路径, 主要是index和materiliazed view。并产生SQL脚本文件。1 创建taskVARIABLE task_id NUMBER;VARIABLE task_name VARCHAR2(255);EXECUTE :task_name := 'MYTA...
分区表笔记
http://hi.baidu.com/kywinder/blog/item/defdd3784bd200e12f73b33f.htmldrop table sales_range purge;创建范围partition表--range partitionCREATE TABLE sales_range (salesman_id NUMBER(5), salesman_n...
sql loader功能笔记
http://www.orafaq.com/wiki/SQL*Loader_FAQ创建表DROP TABLE TESTSL PURGE;CREATE TABLE TESTSL ( ID NUMBER, TNAME VARCHAR2(200), TEST_DATE DATE, CREATED DATE);ALTER TABLE TESTSL ADD CONSTRAINT TESTSL_PK...
fine-grained access control功能笔记
1. 创建procedure设置上下文create or replace procedure sys.my_ctx_procedure(p_ctx_name varchar2,p_ctx_value varchar2)IS BEGIN DBMS_SESSION.SE...
根据IP来赋予用户的应用脚色role 笔记
根据IP来赋予用户的脚色role创建应用脚色drop role admin_role;create role admin_role IDENTIFIED USING rman.hr_admin;创建用户create user scott identified by scott;将应用脚色赋给用户grant connect,admin_...
fine-grained audit功能笔记
fine-grained audit: 根据指定的条件来audit这是一个security的功能fine-grained 记录保存在SYS.FGA_LOG$, 可以通过dba_fga_audit_trail来查看。创建测试表drop table test purge;create table test ( id number...
flashback database笔记
1. use database as archive log mode and set archive dest locationalter system set LOG_ARCHIVE_DEST_1 = 'LOCATION=/u04/arch/orcl' scope=spfile;2. configuration retention days/size/distinationALTER SYS...
rman备份恢复笔记
创建create catalogcreate user rman identified by rman default tablespace tbs1 temporary tablespace tempts1;alter user rman quota unlimited on tbs1;GRANT RECOVERY_CATALOG_OWNER TO rman;rman> connect ...
手工创建database笔记
手工创建database笔记1 准备工作 export ORACLE_SID=oradbmkdir -p /u01/app/oracle/admin/oradb/bdumpmkdir -p /u01/app/oracle/admin/oradb/udumpmkdir -p /u01/app/oracle/admin/oradb/cdumpmkdir -p /u01/app...
Grid Control安装笔记
安装grid oms1 建立一个全新的db oragcinit.ora参数文件*dump日志文件目录orapw口令文件CREATE DATABASE oragc USER SYS IDENTIFIED BY admin000 USER SYSTEM IDENTIFIED BY admin000&nb...
使用agent download安装agent笔记
1 准备工作确保命令wget, jar在path环境变量中。 2 拷贝agentDownload.linux_x64/agentDownload.linux在oms主机上进入目录cd /u01/app/oracle/OracleHomes3/oms10g/sysman/agent_download/10.2.0.3.0/linux_...