DB Administration Interview Questions
Questions Answers Views Company eMail

Database crashes. Corruption is found scattered among the file system neither of your doing nor of Oracle's. What database recovery options are available? Database is in archive log mode.

Infosys,

1755

Illustrate how to determine the amount of physical CPUs a Unix Box possesses (LINUX and/or Solaris).

1501

How do you increase the OS limitation for open files (LINUX and/or Solaris)?

1 3646

Provide an example of a shell script which logs into SQLPLUS as SYS, determines the current date, changes the date format to include minutes & seconds, issues a drop table command, displays the date again, and finally exits.

1510

Explain how you would restore a database using RMAN to Point in Time?

1 5954

How does Oracle guarantee data integrity of data changes?

SoftSol,

1 3640

Which environment variables are absolutely critical in order to run the OUI?

2 3513

What SQL query from v$session can you run to show how many sessions are logged in as a particular user account?

3 5344

Why does Oracle not permit the use of PCTUSED with indexes?

2335

What would you use to improve performance on an insert statement that places millions of rows into that table?

TCS,

2 5208

What would you do with an "in-doubt" distributed transaction?

1421

What are the commands you'd issue to show the explain plan for "select * from dual"?

1733

In what script is "snap$" created? In what script is the "scott/tiger" schema created?

1954

If you're unsure in which script a sys or system-owned object is created, but you know it's in a script from a specific directory, what UNIX command from that directory structure can you run to find your answer?

1 2605

How would you configure your networking files to connect to a database by the name of DSS which resides in domain icallinc.com?

1 2797


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Un-Answered Questions { DB Administration }

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

1650


A table is classified as a parent table and you want to drop and re-create it. How would you do this without affecting the children tables?

2004


Draft one mock email requesting your non-technical management grant you downtime to (provide justification where applicable) complete the following tasks: (1) Generate statistics on a large table; (2) Generate an RDA – if you don't know what an RDA is please say so. (3) Rename datafiles.

1696


What the different topologies in which replication can be configured? : sql server DBA

666


What authentication modes does sql server support? : sql server DBA

703






how do we explain a project in cognos in an interview? please help me. Also how do we perform testing in cognos after creating reports?

2975


How do you troubleshoot errors in a sql server agent job? : sql server DBA

569


What are the different ways you can create databases in sql server? : sql server DBA

601


which background process invoke at the time of upgradation tell me???

2233


how can you enable flashback feature?

540


Why would you use sql agent? : sql server DBA

582


What is transparent data encryption? : sql server DBA

568


Database crashes. Corruption is found scattered among the file system neither of your doing nor of Oracle's. What database recovery options are available? Database is in archive log mode.

1755


What the different types of replication and why are they used? : sql server DBA

571


how can you find out if a table can be redefined?

599