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Copyright © 2004, Oracle. All rights reserved.

Controlling the Database

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5-2 Copyright © 2004, Oracle. All rights reserved.

Objectives

After completing this lesson, you should be able to do

the following:

• Start and stop i SQL*Plus

•

Start and stop Enterprise Manager DatabaseControl

• Start and stop the Oracle Listener

• Start up and shut down Oracle Database 10g

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Starting and Stopping i SQL*Plus

$ isqlplusctl startiSQL*Plus 10.1.0.2.0Copyright (c) 2004 Oracle. All rights reserved.Starting iSQL*Plus ...

iSQL*Plus started.

$ isqlplusctl stopiSQL*Plus 10.1.0.2.0

Copyright (c) 2004 Oracle. All rights reserved.Stopping iSQL*Plus ...iSQL*Plus stopped.

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Management Framework

The three components of the Oracle Database 10g management framework are:

• Database instance

• Listener

•

Management interface – Database Control

– Management agent (when using Grid Control)

ListenerDatabase

Control

Management

agent

Management interface

-or-

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Starting and Stopping Database Control

$ emctl start dbconsoleTZ set to US/PacificOracle Enterprise Manager 10g Database Control Release 10.1.0.2.0Copyright (c) 1996, 2004 Oracle Corporation. All rights reserved.http://edrsr9p1.us.oracle.com:5500/em/console/aboutApplicationStarting Oracle Enterprise Manager 10g Database Control...................... started.

------------------------------------------------------------------Logs are generated in directory/u01/app/oracle/product/10.1.0/db_1/edrsr9p1.us.oracle.com_orcl/sys man/log

$ emctl stop dbconsole

TZ set to US/PacificOracle Enterprise Manager 10g Database Control Release 10.1.0.2.0Copyright (c) 1996, 2004 Oracle Corporation. All rights reserved.http://edrsr9p1.us.oracle.com:5500/em/console/aboutApplicationStopping Oracle Enterprise Manager 10g Database Control ...... Stopped.

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Accessing Database Control

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SYSOPER and SYSDBA

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Database Home Page

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Changing the Listener Status

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Startup and Shutdown

Click Advanced Options

to select startup options

and shutdown mode

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Starting Up a Database NOMOUNT

OPEN

MOUNT

NOMOUNT

SHUTDOWN

Instance

started

STARTUP

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Starting Up a Database MOUNT

OPEN

MOUNT

NOMOUNT

SHUTDOWN

Control file

opened for this

instance

Instance

started

STARTUP

SHUTDOWN

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Starting Up a DatabaseOPEN

OPEN

MOUNT

NOMOUNT

SHUTDOWN

All files opened as

described by the control

file for this instance

Control file

opened for this

instance

Instance

started

STARTUP

SHUTDOWN

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Shutting Down the Database

Shutdown mode:

•

A = ABORT• I = IMMEDIATE

• T = TRANSACTIONAL

• N = NORMAL

A

No

No

No

No

T

No

No

Yes

Yes

I

No

No

No

Yes

Shutdown Mode

Allow new connections

Wait until current sessions end

Wait until current transactions end

Force a checkpoint and close files

N

No

Yes

Yes

Yes

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SHUTDOWN Options

On the way down:

• Database

buffer cache

written tothe data files

• Uncommitted

changes rolled

back

• Resourcesreleased

On the way up:

• No

instance

recovery

During

SHUTDOWN NORMAL

orSHUTDOWN

TRANSACTIONALor

SHUTDOWNIMMEDIATE

Consistent database

(clean database)

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SHUTDOWN Options

On the way down:• Modified

buffers

are not

written to the

data files

• Uncommitted

changes are

not rolled

back

On the way up:• Online redo

log files used

to reapply

changes

• Undo

segments

used to roll

back

uncommittedchanges

• Resources

released

During

SHUTDOWN ABORT

or

Instance Failure

orSTARTUP FORCE

Inconsistent database

(dirty database)

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spfiledb01.ora

Initialization Parameter Files

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Viewing Initialization Parameters

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Viewing the Alert Log

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Summary

In this lesson, you should have learned how to:

• Start and stop i SQL*Plus

• Start and stop Enterprise Manager Database

Console• Start and stop the listener

• Start up and shut down the database

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Practice 5:

Controlling the Database

This practice covers the following topics:

• Connecting to the database using SQL*Plus and

i SQL*Plus

•

Stopping and starting Enterprise ManagerDatabase Control

• Stopping and starting the database

• Stopping and starting i SQL*Plus

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