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?

2478

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

1 3790

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

2044

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

2 5373

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

2758

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?

2187

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

1966

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 9047

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 4116

Explain the concept of the DUAL table.

2 6160

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

2441

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

1 3243

Whats the benefit of dbms_stats over analyze?

2064

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

2188

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?

1982

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Un-Answered Questions { Oracle General }

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

4567

How to rename an index in oracle?

1167

What is dual table oracle?

1027

What is data file?

1149

Explain the use of rows option in exp command.

1146

What is oracle open database communication (odbc)?

1082

does the query needs a hint to access a materialized view?

1905

How to write a query with a right outer join in oracle?

1219

What is clustered table in Oracle?

1257

candidate key is subset of super key but not vice-verse explain

2106

Explain implicit cursor.

1073

How to commit the current transaction in oracle?

1178

What are the data types in oracle?

1095

What are the major difference between truncate and delete?

1130

How to drop a tablespace?

1084

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