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

Oracle General Interview Questions

Questions Answers Views Company eMail

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

2368

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

1 3626

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

1916

What are the commands youd issue to show the explain plan for select

2 5158

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

2656

If youre unsure in which script a sys or system-owned object is created, but you know its in a script from a specific directory, what UNIX command from that directory structure can you run to find your answer?

2075

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

1873

You create a private database link and upon connection, fails with: ORA-2085: connects to . What is the problem? How would you go about resolving this error?

1 8871

I have my backup RMAN script called backup_rman.sh. 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?

1 3907

Explain the concept of the DUAL table.

2 5959

What are the ways tablespaces can be managed and how do they differ?

2274

From the database level, how can you tell under which time zone a database is operating?

1 3087

Whats the benefit of dbms_stats over analyze?

1935

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

2065

You have found corruption in a tablespace that contains static tables that are part of a database that is in NOARCHIVE log mode. How would you restore the tablespace without losing new data in the other tablespaces?

1863

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Un-Answered Questions { Oracle General }

How to create a table index in oracle?

1086

how to convert .db (extention) database file into .dmp (extention ) for oracle database ?

2506

What is the quickest way to fetch the data from a table?

1001

How to execute a stored procedure in oracle?

1031

How do I uninstall oracle client from windows?

962

How to store only time; not date and time?

960

How do you bind variables in oracle?

931

How do I connect to oracle?

977

How to get a create statement for an existing table?

908

What is a sub query and what are the different types of subqueries?

1075

What is a trigger and what are its types in oracle?

1000

What is bulk collect in oracle?

958

How can we view last record added to a table?

972

How to build data dictionary view an new database?

960

How to create id with auto_increment on oracle?

936

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