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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?


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.


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

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


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


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


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


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


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

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

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

1 3931

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


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

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

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


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Un-Answered Questions { DB Administration }

. I have my backup RMAN script called "". I am on the target database. My catalog username/password is rman/rman. My catalog db is called rman. How would you run this shell script from the o/s such that it would run as a background process?


What are the high-availability solutions in sql server and differentiate them briefly? : sql server DBA


what is ora 24313?what is the procedure to exclude that error?


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.


what is logical system in sap basis


how can you implement fine-grained auditing?


Can you redefine a table online?


how can you initialize log miner?


what are the differences of where and if in SAS?


What are the different types of upgrades that can be performed in sql server? : sql server DBA


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


I got an error SQL1042C. An unexpected system error occurred. Explanation: A system error occurred. One possible reason for this error is that the database manager is not installed correctly or the environment is not set up correctly. On OS/2, while trying to start the database manager, a very common reason for this error is a corrupted NET.ACC file. The command cannot be processed. The tables and views would not be opened. What is the way to open the dataase? pls help me


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


what are the performance views in an oracle rac environment?


how can you record information about current session?