DB Administration Interview Questions
Questions Answers Views Company eMail

How would you go about increasing the buffer cache hit ratio?

2 5929

Explain an ORA-01555

2 5858

Explain the difference between $ORACLE_HOME and $ORACLE_BASE.

3 17316

How would you determine the time zone under which a database was operating?

2 9590

Explain the use of setting GLOBAL_NAMES equal to TRUE.

1 8304

What command would you use to encrypt a PL/SQL application?

1 3871

Explain the difference between a FUNCTION, PROCEDURE and PACKAGE.

1833

Explain the use of table functions.

1 4857

Name three advisory statistics you can collect.

1 4810

Where in the Oracle directory tree structure are audit traces placed?

1 7773

Explain materialized views and how they are used.

1880

When a user process fails, what background process cleans up after it?

1 8959

What background process refreshes materialized views?

Accenture, FLSmidth,

2 11381

How would you determine what sessions are connected and what resources they are waiting for?

2 7740

Describe what redo logs are.

1 4314


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Un-Answered Questions { DB Administration }

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

1501


when does an alert gets signaled?

572


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

534


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

1574


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

1958






What are the recovery models for a database? : sql server DBA

580


Claims and Drains are the locks used to control the concurrency between SQL processes and utilities. Referring to the above statement, what is the maximum number of concurrent Claimers for a Subsystem? Choice 1 32 Choice 2 64 Choice 3 128 Choice 4 256 Choice 5 No limit

1828


Which autogrowth database setting is good? : sql server DBA

566


what do you understand by flashback feature of oracle?

547


How do you trace the traffic hitting a sql server? : sql server DBA

831


Other than making use of the statspack utility, what would you check when you are monitoring or running a health check on an Oracle 8i or 9i database?

1547


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.

1496


How can you control the amount of free space in your index pages? : sql server DBA

719


internal architecture

1743


What are the different sql server versions you have worked on? : sql server DBA

535