DB Administration Interview Questions
Questions Answers Views Company eMail

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?

2155

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.

1679

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

1 4066

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

1945

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

2208

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

1807

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

1561

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

1485

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

1 4107

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

2 5329

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

1 4553

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

2016

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

1 4706

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

1 3785

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

1524


Post New DB Administration Questions

Un-Answered Questions { DB Administration }

how can you implement fine-grained auditing?

584


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

577


Typically, where is the conventional directory structure chosen for Oracle binaries to reside?

1949


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

546


how to restore files with rman?

1725






What is a system database and what is a user database? : sql server DBA

583


what is a crs resource?

567


how can you schedule a job in database?

578


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?

2943


How would you go about verifying the network name that the local_listener is currently using?

2734


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

534


What is the difference between dropping a database and taking a database offline? : sql server DBA

552


Explain the difference between a FUNCTION, PROCEDURE and PACKAGE.

1824


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

1923


You have 4 instances running on the same UNIX box. How can you determine which shared memory and semaphores are associated with which instance?

3913