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

Oracle General (1809)
Oracle DBA (Database Administration) (261)
Oracle Call Interface (OCI) (10)
Oracle Architecture (90)

Oracle Interview Questions

Questions Answers Views Company eMail

What are the different types of databases?

1 1141

What are ACID properties in databases?

1 2348

What is the difference between INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN?

1 1135

What is indexing, and how does it improve performance?

1 1020

What is a deadlock in SQL? How can you prevent it?

1 2605

What is the CAP theorem?

1 1042

How would you optimize a slow SQL query?

1 2630

How do you handle duplicate records in a database?

1 1004

How would you design a database for an e-commerce website?

1 1000

How do you ensure database security?

1 1129

What would you do if a database crashes in production?

1 913

What are the components of physical database structure in the Oracle database?

1 1479

Preparing for Oracle PL/SQL Interviews – Need Help with Common Questions

1 1764

Un-Answered Questions { Oracle }

difference of using cursor for loop and open,fetch,close.which one is better

1742

What is rac and what are the various benefits of using rac architecture?

What is the scd? and Types of SCD?

581

Difference between cartesian join and cross join?

973

How to make the project as .exe file in oracle forms & reports(d2k)?

I am using an Oracle 8i Database my data contains Clob data. I am using toad version 7.6 i am able to get the data in toad but unable to extract the data in excel.when trying to extract the data into the excel the toad error says out of memory. Can any body please help me to extract the data through the same toad version. Thanks in advance

2264

How can we monitor the space allocations in a database?

how to clone 9i Database on to 10g Database.

2298

How to rename an existing table?

1056

Explain an extent?

1053

How to execute a stored procedure in oracle?

1036

Explain the various types of oracle report?

1026

What is difference between sid and service name in oracle?

912

what are basic modules required to implement oracle application in any oraganisation?

2151

How to insert a new row into a table in oracle?

1108

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