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& Computers
Oracle administration
COURSE
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B2/6/2 Vashi ,Navi Mumbai,
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DBA Goals
• A proactive DBA reduces the number of
weekends and off-hours worked
• Setup some routines
• Review the database to see what is ‘normal’
• What are the growth patterns
• Number of users logged in
• The CPU and memory usage
B2/6/2 Vashi ,Navi Mumbai,
Contact:09892900103/9892900173
oracleadministrationtraining.vibranttechnologies.co.in
enquiry@vibrantgroup.co.in

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DBA Goals
• The disks ‘hit’ the most
• Check the alert.log for ora errors
• Check for trace files
• When you do these things regularly, you will
notice the abnormal more easily
B2/6/2 Vashi ,Navi Mumbai,
Contact:09892900103/9892900173
oracleadministrationtraining.vibranttechnologies.co.in
enquiry@vibrantgroup.co.in

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Health Checks
• Database
• Application
• System
B2/6/2 Vashi ,Navi Mumbai,
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oracleadministrationtraining.vibranttechnologies.co.in
enquiry@vibrantgroup.co.in

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Release Management
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Development
Test/Integration
Production
Patch
Interfaces
Conversion
Security
B2/6/2 Vashi ,Navi Mumbai,
Contact:09892900103/9892900173
oracleadministrationtraining.vibranttechnologies.co.in
enquiry@vibrantgroup.co.in

6. oracleadministrationtraining.vibranttechnologies.co.in
Release Management
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Systems
O/S
Backend
Middle Tier
Number of Users
Batch schedule
Performance Test
B2/6/2 Vashi ,Navi Mumbai,
Contact:09892900103/9892900173
oracleadministrationtraining.vibranttechnologies.co.in
enquiry@vibrantgroup.co.in

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Management Framework
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•
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Monitoring Framework
Automation
Batch Control
Scheduling
Production Control
B2/6/2 Vashi ,Navi Mumbai,
Contact:09892900103/9892900173
oracleadministrationtraining.vibranttechnologies.co.in
enquiry@vibrantgroup.co.in

8. oracleadministrationtraining.vibranttechnologies.co.in
Environment Management
• Wholistic Approach
– Database
– Middle Tier
– Data Loading
– Linked databases
– Backups
B2/6/2 Vashi ,Navi Mumbai,
Contact:09892900103/9892900173
oracleadministrationtraining.vibranttechnologies.co.in
enquiry@vibrantgroup.co.in

9. oracleadministrationtraining.vibranttechnologies.co.in
Environment Management
• Application User perspective
– Total number of Users
– Max concurrent Users
– Length of data loads
– Uptime requirement
– Must be available at……
• Manage to their requirements
B2/6/2 Vashi ,Navi Mumbai,
Contact:09892900103/9892900173
oracleadministrationtraining.vibranttechnologies.co.in
enquiry@vibrantgroup.co.in

10. oracleadministrationtraining.vibranttechnologies.co.in
DBA Tasks
• Is it running……
• “ps –eaf | grep dbw” tests to see if the
database is up and running
• “ps –eaf | grep lsnrctl” tests if the listener is
running
• sqlplus user@<ORACLE_SID> or some user
Password *******
Tests if you can connect to the database
B2/6/2 Vashi ,Navi Mumbai,
Contact:09892900103/9892900173
oracleadministrationtraining.vibranttechnologies.co.in
enquiry@vibrantgroup.co.in

11. oracleadministrationtraining.vibranttechnologies.co.in
Alert Log
• Alert.log
– Located in
/$ORACLE_BASE/admin/<SID>/diag/bdump
– It shows when the database was started
– When a log switch occurred
– Shows the non-default parameters from the
init.ora
B2/6/2 Vashi ,Navi Mumbai,
Contact:09892900103/9892900173
oracleadministrationtraining.vibranttechnologies.co.in
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12. oracleadministrationtraining.vibranttechnologies.co.in
Alert Log
– Any ddl commands to change the structure of
the database
– Space allocation errors
– When trace files were created and where they
are located
– When the database was shutdown or started
B2/6/2 Vashi ,Navi Mumbai,
Contact:09892900103/9892900173
oracleadministrationtraining.vibranttechnologies.co.in
enquiry@vibrantgroup.co.in

13. oracleadministrationtraining.vibranttechnologies.co.in
Trace Files
• When there are internal errors in a user
session or with a background
process, Oracle creates a trace file
• They are to help in debugging a problem
• Trace files, created by a background
process, will have the name of the
background process as part of the file name
B2/6/2 Vashi ,Navi Mumbai,
Contact:09892900103/9892900173
oracleadministrationtraining.vibranttechnologies.co.in
enquiry@vibrantgroup.co.in

14. oracleadministrationtraining.vibranttechnologies.co.in
Type of Views
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•
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Dba_
User_
All_
V$….
X$..
B2/6/2 Vashi ,Navi Mumbai,
Contact:09892900103/9892900173
oracleadministrationtraining.vibranttechnologies.co.in
enquiry@vibrantgroup.co.in

15. oracleadministrationtraining.vibranttechnologies.co.in
Views
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•
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dba_extents
dba_tables
dba_indexes
v$sqltext
B2/6/2 Vashi ,Navi Mumbai,
Contact:09892900103/9892900173
oracleadministrationtraining.vibranttechnologies.co.in
enquiry@vibrantgroup.co.in

16. oracleadministrationtraining.vibranttechnologies.co.in
Where to Get More Information
Vibrant Group:
www.vibrantgroup.co.in
Vibrant Technologies & Computers
www.vibranttechnologies.co.in/technologies.vibrantgroup.co.
in
Vibrant HR Team
www.hr.vibrangroup.co.in
B2/6/2 Vashi ,Navi Mumbai,
Contact:09892900103/9892900173
oracleadministrationtraining.vibranttechnologies.co.in
enquiry@vibrantgroup.co.in