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DB Administration Interview Questions
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What spfile/init.ora file parameter exists to force the CBO to make the execution path of a given statement use an index, even if the index scan may appear to be calculated as more costly?

 2166

Assuming today is Monday, how would you use the DBMS_JOB package to schedule the execution of a given procedure owned by SCOTT to start Wednesday at 9AM and to run subsequently every other day at 2AM.

 1689

How would you edit your CRONTAB to schedule the running of /test/test.sh to run every other day at 2PM?

 1 4073

What do the 9i dbms_standard.sql_txt() and dbms_standard.sql_text() procedures do?

 1958

In which dictionary table or view would you look to determine at which time a snapshot or MVIEW last successfully refreshed?

 2218

How would you best determine why your MVIEW couldn't FAST REFRESH?

 1818

How does propagation differ between Advanced Replication and Snapshot Replication (read-only)?

 1571

Which dictionary view(s) would you first look at to understand or get a high-level idea of a given Advanced Replication environment?

 1499

How would you begin to troubleshoot an ORA-3113 error?

 1 4121

Which dictionary tables and/or views would you look at to diagnose a locking issue?

 2 5356

An automatic job running via DBMS_JOB has failed. Knowing only that "it's failed", how do you approach troubleshooting this issue?

 1 4569

How would you extract DDL of a table without using a GUI tool?

 2037

You're getting high "busy buffer waits" - how can you find what's causing it?

 1 4721

What query tells you how much space a tablespace named "test" is taking up, and how much space is remaining?

 1 3796

Database is hung. Old and new user connections alike hang on impact. What do you do? Your SYS SQLPLUS session IS able to connect.

 1533

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Un-Answered Questions { DB Administration }

suppose you want to audit specific activities on sensitive data. How can you achieve that?

534

Database is hung. Old and new user connections alike hang on impact. What do you do? Your SYS SQLPLUS session IS able to connect.

1533

how does an oracle clusterware manage crs resources?

559

Explain the difference between a FUNCTION, PROCEDURE and PACKAGE.

1831

I have kept recovery catalog on same target database and taken backup of target DB to disk. deleted the target DB & tried to restore and revoer DB using the backup on disk but it is not possible, how do we restore & recover DB

1513




What are the different authentication modes in sql server and how can you change authentication mode? : sql server DBA

544

When setting replication, can you have distributor on sql server 2005, publisher on sql server 2008? : sql server DBA

551

what is the diffrence between core dba and apps dba?

2074

Can you tell me about your experience with the administration of COTS system..? Also, how do you set up seed data..?

1734

How many files can a database contain in sql server?how many types of data files exists in sql server? How many of those files can exist for a single database? : sql server DBA

645

how can you enable flashback feature?

528

How to bind a cobol module to a given job? I am not able to understand this concept.Can anyone help me out as how to carry out this task?

1645

I have A,B,C servers.i want to 3 servers jobs move to D server(target server)..how? note: i said that take the backup of msdb and restore to the target server..he said while restoring jobs replaced. what is the solution

1636

what is grd?

624

What purpose does the model database server? : sql server DBA

613

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