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?

2424

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

1 3715

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

1978

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

2 5280

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

2708

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?

2149

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

1915

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 8964

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 4018

Explain the concept of the DUAL table.

2 6085

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

2365

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

1 3180

Whats the benefit of dbms_stats over analyze?

1999

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

2142

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?

1927

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Un-Answered Questions { Oracle General }

How to drop a stored procedure in oracle?

1051

What are ddl statements in oracle?

1075

How to create a table in a specific tablespace?

975

How to create an oracle database?

1041

defination of bitmap index

2124

What is the disadvantage of User defind function?

2290

How to define a variable of a specific record type?

1077

Why do we need integrity constraints in a database?

1019

What is the minimum client footprint required to connect c# to an oracle database?

1092

How to handle a single quote in oracle sql?

1052

What is oracle sid?

953

How to drop a stored function?

1137

How to delete a column in an existing table?

1076

How to omit columns with default values in insert statement in oracle?

1045

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

1915

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