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    Starting Database Administration: Oracle DBA
    Starting Database Administration: Oracle DBA
    Starting Database Administration: Oracle DBA
    Ebook188 pages1 hour

    Starting Database Administration: Oracle DBA

    By anuragbaruah84

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    About this ebook

    This ebook contain articles on oracle database administration.RMAN, Backup & Recovery, Datapump and export/import, database auditing etc are important concepts in oracle database administration. All these are well explained in this eBook. Each topic is described with appropriate examples.
    If you have a grip on the topics described in this eBook, your understanding on the concepts of oracle administration will become much simpler and easier.
    This eBook can be referred by people who are preparing for interviews in oracle database administration.
    The articles in this guide can also be referred by starter DBAs as well as experienced professionals.

    LanguageEnglish
    PublisherOraclesql-plsql
    Release dateJun 1, 2014
    ISBN9781310003813
    Starting Database Administration: Oracle DBA

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      Book preview

      Starting Database Administration - anuragbaruah84

      Starting Database Administration: Oracle DBA

      Published by oraclesql-plsql at Smashwords

      Copyrights 2014 oraclesql-plsql

      oraclesql-plsql is a website which contains articles on Database administration, SQLplus and PLSQL.

      It is designed with the view of sharing knowledge and help people who want to learn Database administration, SQL queries/concepts & PLSQL programming.

      This eBook is contains articles on oracle database administration.

      RMAN, Backup & Recovery, Datapump and export/import, database auditing etc are important concepts in oracle database administration. All these are well explained in this eBook. Each topic is described with appropriate examples.

      If you have a grip on the topics described in this eBook, your understanding on the concepts of oracle administration will become much simpler and easier.

      This eBook can be referred by people who are preparing for interviews in oracle database administration.The articles in this guide can also be referred by starter DBAs as well as experienced professionals.

      The examples described in this pocket guide have been tested in our test environment (Oracle 10G database) and sometimes differences in version, configuration settings etc may give dissimilar results. oraclesql-plsql will not take responsibility for any loss/damage that may result from the use of this eBook.

      This eBook/all content in this eBook is a sole property of oraclesql-plsql and no other party except oraclesql-plsql or other authorized parties can sell this eBook or its contents. This eBook or E-Pocket guide can be/must be purchased only from oraclesql-plsql or authorized parties.

      oraclesql-plsql is not affiliated to Oracle Corporation.

      It is designed by professionals who have working experience on RDBMS.

      Contents -

      Introduction to Oracle database

      Oracle Database component

      Connecting to the Database instance

      SYS and SYSTEM users

      SYSDBA and SYSOPER privileges

      Starting the database

      Startup NOMOUNT

      Startup MOUNT

      Startup OPEN

      Startup FORCE

      Startup RESTRICT

      Startup OPEN RECOVER

      Example: Starting a oracle database instance

      Database shutdown

      SHUTDOWN NORMAL

      SHUTDOWN IMMEDIATE

      SHUTDOWN TRANSACTIONAL

      SHUTDOWN ABORT

      Quiescing the database

      Suspending and Resuming database instance

      Background processes

      SGA (System Global Area)

      What is a Controlfile

      Controlfile backup methods

      Controlfile recovery methods

      Moving Controlfiles from one location to other

      What is a Datafile?

      Datafile backup

      Datafile Recovery

      Datafile Relocation: Moving datafiles from one location to another

      What is a Tablespace?

      Tablespace movement/relocation

      System views containing tablespace information

      Redo Logs

      Archive logs

      System views containing Archive log/Redo log information

      To put the database in Archive log mode execute the following steps

      To put the database in Noarchive log mode execute the following steps

      Creating redo log files

      Deleting redo log files

      Clearing Archivelog/Redo logs

      Redo logs movement/relocation

      Profiles

      Roles

      Role: WITH ADMIN OPTION

      Dropping a role

      Role with password

      Alter Role

      Enabling and Disabling Roles

      Views containing ROLE information

      System and Object privileges

      Oracle System Privileges

      Oracle Object Privileges

      View containing privileges information

      Object partitioning

      Partition key

      Types of Partitioning – List/Range/Hash

      Oracle External Tables

      Creating External Tables

      Creating external tables from existing database tables

      Introduction to backup and recovery

      Export and Import utility

      Export Parameters

      Import Parameters

      Performing full database export/import

      Performing export/import for specific user data

      Importing data from one users schema to another

      Performing export/import for specific tables

      Exporting/Importing only Table structure not data

      Performing export/import for specific records

      Introducing Datapump

      Difference between expdp/impdp and exp/imp

      Data pump export (EXPDP) parameter

      Data pump import (IMPDP) parameter

      Datapump: Performing export/import using EXCLUDE

      Datapump: Performing export/import using QUERY

      Datapump: Importing to a new Schema

      Datapump: Importing data into existing tables

      Generating SQL for import jobs

      RMAN – The Recovery Manager

      RMAN repository

      Creating Catalog and Registering target database

      RMAN configuration parameters

      RMAN commands

      RMAN Backup types

      Use RMAN to perform a full database backup

      Using RMAN to perform database recovery

      Using RMAN to recover controlfile

      Using RMAN to recover datafile:

      Using RMAN to perform Incomplete or Point in Time Recovery

      Incremental Backups

      Level 0 incremental backup

      Level 1 incremental backup

      Block Change Tracking

      Validating Backup and Recovery operations

      Database Auditing

      Types of Auditing

      Statement auditing

      Privilege auditing

      Schema Object auditing

      Example Standard auditing

      FGA

      Example FGA

      Introduction to Oracle Database

      A database is a collection of data stored a database server which is easy to maintain and access

      Data on a database is stored in form of blocks, extents and segments. Block is the smallest unit of storage. An Extent is the next level of storage and consists of one or more blocks. A Segment consists of more or more extents.

      An oracle database environment consists of several files.

      Every database will consist of atleast one Controlfile, Datafiles and Redologs. These 3 are the most important files of the DB. A Controlfile holds important information such as datafile location, backup and recovery information etc., Datafiles holds the actual data of the database and Redologs enables us to redo sql statements.

      In addition to the above 3 files, there are some other files as well which support the database –

      The Alert log is file that stores information about errors, alerts and other operations. It describes the errors and contains the location of a trace file, which contains details about the errors. If the alert log gets deleted by mistake, it gets recreated automatically.

      A Password file stores passwords for certain privileged users. These are users who generally start or stop the database. When a user tries to connect to a running database, their verification is done by the DB itself. But when the DB is not running and a user tries to start the database, the verification is done by means of the password file. The password file allows us to store the passwords outside the DB i.e. in the OS.

      A Parameter file contains configuration parameter settings which control the behavior of the database.

      Oracle Database component –

      Oracle database structure is made up of two main components –

      Physical structure – Comprises of files that physically exist on the database. Controlfile, Datafiles and Redologs are the most important files of a database. In addition to these 3 important files, there are also other files which support the database – Archivelogs, Alert.log, Password files etc.

      Logical structure – Comprises of the logical components of the database. By logical components we mean the SGA and background processes. SGA is the database memory and background processes are processes that run internally

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