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

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Databases Interview Questions

Questions Answers Views Company eMail

How can you tell how much space is left on a given file system and how much space each of the file system's subdirectories take-up?

1 2561

Define the SGA and: How you would configure SGA for a mid-sized OLTP environment? What is involved in tuning the SGA?

1 3825

What is the cache hit ratio, what impact does it have on performance of an Oracle database and what is involved in tuning it?

1 2514

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?

1 2048

How do you tell what your machine name is and what is its IP address?

4 7492

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

1 3281

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

1 4488

What view(s) do you use to associate a user's SQLPLUS session with his o/s process?

1 2618

What is the recommended interval at which to run statspack snapshots, and why?

1 3363

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?

1 2748

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.

1 2227

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

1 4878

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

1 2463

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

1 2794

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

1 2420

Un-Answered Questions { Databases }

What is a view in sql?

1033

Plz send me Oracle Pl/Sql [1z0-147] dumps to this mail? sivakumarr1987@gmail.com

1891

How to write a left outer join with the where clause in oracle?

1136

Why and when do stored procedure recompile?

1042

what are all the common sql function? : Sql dba

1113

i have all the Oracle Certification material from 1z0-001 to 1Z0-643, if required just drop me a mail to: summi4you@yahoo.co.in

1848

How to convert character strings into numeric values?

1170

what is spatial nonclustered index

1048

Is primary key always clustered index?

1081

please send me oracle pl/sql exp resume. and also faqs...

2554

How do I start sql server 2017?

1001

Is there some bulk load or other way to import a lot of data fast?

923

Is there any performance difference between if exists (select null from table) and if exists (select 1 from table)?

1015

What is your daily office routine?

2329

List out the different types of locks available in sql server?

1037

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