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 2346

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 1018

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

1 2604

What is the CAP theorem?

1 1042

How would you optimize a slow SQL query?

1 2629

How do you handle duplicate records in a database?

1 1003

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

1 999

How do you ensure database security?

1 1128

What would you do if a database crashes in production?

1 912

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

1 1477

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

1 1763

Un-Answered Questions { Oracle }

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

1009

why dont we assign not null constraint as table level constraint.

2689

What are the ansi data types supported in oracle?

905

Why do we need integrity constraints in a database?

980

Describe an oracle table?

999

How to rename an index?

1009

as a technical developer in oracle applications which type errors feced in your experience sofar

2155

What is your favorite tool for day-to-day oracle operation?

511

Is it possible to center an object horizontally in a repeating frame that has a variable horizontal size ?

2309

What are the types of windows (window style)?

How to speed up webrick?

1014

What is transaction control statement and how many types of transaction control statement in Oracle?

1087

What are a collation and state the different types of collation sensitivity?

1108

Explain what are the uses of rollback segment?

968

How can we generate report output in excel format?

947

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