3 Copyright © 2004, Oracle. All rights reserved. Creating an Oracle Database.

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Presentation transcript:

3 Copyright © 2004, Oracle. All rights reserved. Creating an Oracle Database

3-2 Copyright © 2004, Oracle. All rights reserved. Objectives After completing this lesson, you should be able to do the following: Describe the Oracle database architecture Understand the instance architecture Use the management framework Use DBCA to –Create a database –Configure a database –Drop a database –Manage templates

3-3 Copyright © 2004, Oracle. All rights reserved. Database Architecture Data filesOnline redo log files Password fileParameter file Archive log files Control files

3-4 Copyright © 2004, Oracle. All rights reserved. Exploring the Storage Structure Click on the links to view detailed information

3-5 Copyright © 2004, Oracle. All rights reserved. Control Files Contain physical database structure information Multiplexed to protect against loss Required to start the instance Control files

3-6 Copyright © 2004, Oracle. All rights reserved. Redo Log Files Record changes to the database Multiplex to protect against loss Redo log buffer Log writer LGWR Group 1 Group 2 Group 3

3-7 Copyright © 2004, Oracle. All rights reserved. Tablespaces and Datafiles Tablespaces consist of one or more data files Data files belong to only one tablespace USERS Tablespace Data file 1 Data file 2

3-8 Copyright © 2004, Oracle. All rights reserved. Segments, Extents, and Blocks Segments exist within a tablespace. Segments are made of a collection of extents. Extents are a collection of data blocks. Data blocks are mapped to OS blocks. SegmentExtentsData blocks OS blocks

3-9 Copyright © 2004, Oracle. All rights reserved. Oracle Instance Management System Monitor SMON Database Writer DBW0 Log Writer LGWR Process Monitor PMON Archiver ARC0 SGA Java Pool Shared PoolLarge PoolStreams Pool Database Buffer Cache Redo Log Buffer Check point CKPT

3-10 Copyright © 2004, Oracle. All rights reserved. Oracle Memory Structures Java Pool Database Buffer Cache Redo Log Buffer Shared Pool Large Pool SGA Streams Pool Server Process 1 PGA Server Process 2 PGA Back- ground Process PGA

3-11 Copyright © 2004, Oracle. All rights reserved. Oracle Memory Structures Full Notes Page

3-12 Copyright © 2004, Oracle. All rights reserved. Oracle Processes System Monitor SMON Database Writer DBWn Check point CKPT Log Writer LGWR Process Monitor PMON Archiver ARCn Server Process Server Process Server Process Server Process System Global Area SGA Background Processes

3-13 Copyright © 2004, Oracle. All rights reserved. Data Dictionary

3-14 Copyright © 2004, Oracle. All rights reserved. Database Control Database control

3-15 Copyright © 2004, Oracle. All rights reserved. Grid Control Grid control Management server Management repository Database control Database OS/third-party application Application server Application server control Managed targets Agent

3-16 Copyright © 2004, Oracle. All rights reserved. Database Configuration Assistant (DBCA) Overview

3-17 Copyright © 2004, Oracle. All rights reserved. Creating a Database

3-18 Copyright © 2004, Oracle. All rights reserved. Database Identification

3-19 Copyright © 2004, Oracle. All rights reserved. Management Options

3-20 Copyright © 2004, Oracle. All rights reserved. Passwords and Storage

3-21 Copyright © 2004, Oracle. All rights reserved. File Locations and Backup Recovery

3-22 Copyright © 2004, Oracle. All rights reserved. File Location Variables

3-23 Copyright © 2004, Oracle. All rights reserved. Content and Initialization Parameters

3-24 Copyright © 2004, Oracle. All rights reserved. Content and Initialization Parameters Full Notes Page

3-25 Copyright © 2004, Oracle. All rights reserved. Database Storage

3-26 Copyright © 2004, Oracle. All rights reserved. Creation Options and Create

3-27 Copyright © 2004, Oracle. All rights reserved. Other Actions with DBCA

3-28 Copyright © 2004, Oracle. All rights reserved. Summary In this lesson, you should have learned how to: Describe the Oracle database architecture Understand the instance architecture Use the management framework Use DBCA to –Create a database –Configure a database –Drop a database –Manage templates

3-29 Copyright © 2004, Oracle. All rights reserved. Practice 3: Creating an Oracle Database This practice covers creating an Oracle database by using DBCA.

3-30 Copyright © 2004, Oracle. All rights reserved. Practice 3 - Creating an Oracle Database Full Notes Page