DB Administration Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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,

2282

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

1976

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

1 4347

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.

1994

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

1 6707

How does Oracle guarantee data integrity of data changes?

SoftSol,

1 4361

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

2 4408

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

3 6580

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

2943

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

TCS,

2 6205

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

1887

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

2231

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

2440

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 3384

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

1 3513

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Un-Answered Questions { DB Administration }

Explain the difference between a FUNCTION, PROCEDURE and PACKAGE.

2338

What is fill factor? : sql server DBA

1250

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

1015

currently iam working in mnc as a oracleappsdba,please send the EXPERIENCE RESUME those who r worked as a oracle apps dba

2436

Where do you find the default index fill factor and how to change it? : sql server DBA

1081

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

2720

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?

2095

what is the use of recording information about current session?

1054

what is the last version,the release date of that version and fix pack of ibm db2 udb?

1975

what is the role of dip user in our database?

2417

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?

3410

What types of replication are supported in sql server? : sql server DBA

1297

What are the commands used in dcl? : sql server DBA

1073

What are the different types of database compression introduced in sql server 2008? : sql server DBA

1106

How to start SQL Server in minimal configuration mode?

7973

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