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

Oracle General Interview Questions

Questions Answers Views Company eMail

What is set operator oracle?

971

What is where clause in oracle?

1023

Which is faster join or subquery in oracle?

988

What is a lookup table in oracle?

971

How to resolve the ORA-39133 error in Oracle?

1107

What are the different types of databases?

1 1216

What are ACID properties in databases?

1 2816

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

1 1212

What is indexing, and how does it improve performance?

1 1089

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

1 3088

What is the CAP theorem?

1 1108

How would you optimize a slow SQL query?

1 3099

How do you handle duplicate records in a database?

1 1057

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

1 1056

How do you ensure database security?

1 1202

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Un-Answered Questions { Oracle General }

What is proxy method?

971

What is a nvl function?

1020

How to create a new table in oracle?

1149

Explain coalesce function?

1201

Explain oracle data types with examples?

1025

What are the differences between blob and clob in oracle?

1083

How to retrieve data from an cursor to a record?

1100

What is transport network substrate (tns) in oracle?

1041

What is flashback in Oracle?

1015

What's dateware house and what's clustor with practicle example

2169

How can you use check constraints for self referential integrity?

965

Can a formula column referred to columns in higher group ?

2498

What is integrity and what is constraint??Explain with example

2280

State the difference along with examples between Oracle 9i, Oracle 10g and Oracle 11i.

1030

How to use "if" statements on multiple conditions?

1170

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