Oracle General Interview Questions
Questions Answers Views Company eMail

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

1922

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

1 3004

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

1450

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

2 4174

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

2219

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?

1626

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

1447

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 7973

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 3123

Explain the concept of the DUAL table.

2 5096

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

1597

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

1 2108

Whats the benefit of dbms_stats over analyze?

1469

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

1555

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?

1434


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Un-Answered Questions { Oracle General }

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

1483


How to create a new view in oracle?

579


How can I combine multiple rows into a comma-delimited list in oracle?

563


HI ALL, CAN ANYONE TELL ME THE DIFFERENCES BETWEEN SQL CLUSTURS,MSQL CLUSTERS,ORACLE CLUSTERS.......THANKS IN ADVANCE

1765


What is a cognitive schema?

509






Name the three major set of files on disk that compose a database in Oracle?

608


How to delete all rows a table in oracle?

597


Explain how you would restore a database using RMAN to Point in Time?

1611


Explain an index segment?

608


How to use attributes of the implicit cursor in oracle?

533


How to return top 5 rows in oracle?

519


How to use an explicit cursor without open statements?

596


What is the parameter mode that can be passed to a procedure?

547


What is the difference between pre-select and pre-query?

596


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

1585