1. Cannot connect to the database. "Invalid username or password"Following are the probable causes for this error message:a. The ADI Sign On (Security) has not been set up correctly (check this only if this is a fresh install). Check the 3 cones
1.建立新的資料表空間:create tablespace newxxt datafile '/oradata/dduyoung/newxxt1.dbf' size 200M autoextend on next 10M maxsize unlimited, '/oradata/dduyoung/newxxt2.dbf' size 200M autoextend on next 10M maxsize unlimited extent management local segment space
文章目錄 Timing the refreshSummary A materialized view is a database object that contains the results of a query. They are local copies of data located remotely, or are used to create summary tables based on aggregations of a
1.RAISE_APPLICATION_ERROR的定義及使用The procedure RAISE_APPLICATION_ERROR lets you issue user-defined ORA- error messages from stored subprograms. That way, you can report errors to your application and avoid returning unhandled exceptions. To call
一.Session 狀態說明Oracle session 有如下幾種狀態ACTIVE - Sessioncurrently executing SQLINACTIVE KILLED - Sessionmarked to be killedCACHED - Sessiontemporarily cached for use by Oracle*XASNIPED - Sessioninactive, waiting on the
文章目錄 Automating Database Startup and Shutdown on Other Operating Systems SQL> select * from v$version;BANNER--------------------------------------------------------------------------------Oracle Database 11g Enterprise
花了大半個月的時間小研究了一下Oracle Golden Gate。 先簡單的說說自己學習GG的一個過程。參考資料都是官方文檔,官網的連結如下:http://download.oracle.com/docs/cd/E22355_01/index.htm 其中主要參考如下幾篇:Administrator'sGuideReferenceGuideOracleInstallation and Setup Guide 開始看了GG
一.Alerts 和 Metrics說明官方連結:Monitoring and Tuning the Databasehttp://docs.oracle.com/cd/E11882_01/server.112/e10897/montune.htm#CACCIHAB Alerts help you monitor your database. Most alerts notify youof when particular metric thresholds are exceeded.For
Block ChangeTracking 是Oracle 10g裡推出的特性。官網對Block change tracking 的定義如下: Adatabase option that causes Oracle to track data file blocks affected by eachdatabase update. The tracking information is stored in a block change trackingfile. When