... commands to connect
to a database:
CONNECT / AS SYSDBA
CONNECT / AS SYSOPER
3-4 Oracle8 : Database Administration
.
Lesson 3: Managing an Oracle Instance
Overview
An Oracledatabase is not available ... by Oracle tools
3-2 Oracle8 : Database Administration
.
Lesson 3: Managing an Oracle Instance
Instructor Note
Topic Timing
Lecture 75 minutes
Practice 40 minutes
Total 115 minutes
3-14 Oracle8 : ... executed.
Instructor Note
Show the orashut.bat script in the %ORACLE_ HOME% \DATABASE
directory.
3-32 Oracle8 : Database Administration
.
Lesson 3: Managing an Oracle Instance
Dynamic Performance View
(accessible...
... Standard
Packages
3-46 Oracle8 : Database Administration
.
Lesson 3: Managing an Oracle Instance
4-8 Oracle8 : Database Administration
.
Lesson 4: Creating a Database
4-6
Cop
y
ri
g
ht Oracle Corporation, ... the Oracle directory for each of the databases
on the system. In the example, the databases are named dba01 and db01.
4-16 Oracle8 : Database Administration
.
Lesson 4: Creating a Database
Oracle ... environment
variables:
ã ORACLE_ HOME
ã ORACLE_ SID
ã ORACLE_ BASE
ã ORA_NLS33
ãPATH
4-6 Oracle8 : Database Administration
.
Lesson 4: Creating a Database
Planning File Location
Plan how to protect the database, ...
... RECORDS_TOTAL
- RECORDS_USED
Oracle8 : DatabaseAdministration 7-5
.
Using Online Redo Files
Using Online Redo Files
The database administrator can set up the Oracledatabase to maintain copies
of ... 7-2 Oracle8 : Database Administration
.
Lesson 7: Maintaining Redo Log Files
Instructor Note
Topic Timing
Lecture 40 minutes
Practice 30 minutes
Total 70 minutes
5-24 Oracle8 : Database Administration
... file
7-4 Oracle8 : Database Administration
.
Lesson 7: Maintaining Redo Log Files
Overview
The Oracle server maintains online redo log files to minimize the loss of
data in the database. The...
... ALTER DATABASE
ã The database must be mounted.
ã The target data file must exist.
ALTER DATABASE RENAME FILE
‘/DISK1/system01.dbf’ TO
‘/DISK2/system01.dbf’;
Example
Oracle8 : DatabaseAdministration ... Tablespaces
Summary
8-23
Copyright Oracle Corporation, 1998. All rights reserved.
Summary
ã Understanding the logical database
structure
ã Administering tablespaces
Oracle8 : DatabaseAdministration 8-25
... down the database.
2 Use an operating system command to move the files.
3 Mount the database.
4 Execute the ALTER DATABASE RENAME FILE command.
5 Open the database.
8-15
Copyright Oracle Corporation,...
... is
coalesced by the Oracle server when necessary.
9-12
Copyright Oracle Corporation, 1998. All rights reserved.
Database Block Contents
Header
Free space
Data
Oracle8 : DatabaseAdministration 9-27
... Oracle8 : Database Administration
.
Lesson 9: Storage Structure and Relationships
Using Block Space Utilization Parameters
9-11
Copyright Oracle Corporation, 1998. All rights reserved.
Database ... TABLESPACE_NAME
– RELATIVE_FNO
– FILE_ID
– BLOCK_ID
– BLOCKS
10-12 Oracle8 : Database Administration
.
Lesson 10: Managing Rollback Segments
The Oracle server guarantees that a statement sees data from...
... locate any row within a database.
12-4 Oracle8 : Database Administration
.
Lesson 12: Managing Tables
Overview
There are several methods for storing user data in an Oracle database. The
data can ... of
the row.
12-4
Copyright Oracle Corporation, 1998. All rights reserved.
Structure of a Row
Database
block
Row header
Column length
Column value
Oracle8 : DatabaseAdministration 10-27
.
Obtaining ... whether the transaction needs to be
killed, and take the necessary action.
Oracle8 : DatabaseAdministration 12-11
.
Oracle Data Types
ROWID Data Type
ROWID is a pseudo-column that can be queried...
... 4
Used block
High Water Mark
After inserts
After deletes
Oracle8 : DatabaseAdministration 12-13
.
Oracle Data Types
Earlier versions of Oracle used the restricted ROWID format. A restricted
ROWID ... is made in the course Oracle8 : Performance Tuning.
ã Some methods that can be used to reorganize a table are discussed in the
lesson “Loading and Reorganizing Data.”
12-26 Oracle8 : Database Administration
... selected.
12-25
Copyright Oracle Corporation, 1998. All rights reserved.
DBA_EXTENTS
ã OWNER
ã SEGMENT_NAME
ã EXTENT_ID
ã FILE_ID
ã BLOCK_ID
ã BLOCKS
Retrieving Extent Information
12-30 Oracle8 : Database Administration
...