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?

929

What is where clause in oracle?

987

Which is faster join or subquery in oracle?

939

What is a lookup table in oracle?

938

How to resolve the ORA-39133 error in Oracle?

1045

What are the different types of databases?

1 1140

What are ACID properties in databases?

1 2328

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

1 1134

What is indexing, and how does it improve performance?

1 1018

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

1 2586

What is the CAP theorem?

1 1041

How would you optimize a slow SQL query?

1 2606

How do you handle duplicate records in a database?

1 1001

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

1 998

How do you ensure database security?

1 1127

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Un-Answered Questions { Oracle General }

How to write a query with an inner join in oracle?

983

What happens if the imported table already exists?

976

What are the attributes that are found in a cursor?

1018

Why do we need oracle client?

894

How to loop through data rows in the implicit cursor?

1021

What is bulk load in oracle?

1013

How to convert a date to char in oracle? Give one example.

1006

what is the scenario where you take the database to NoArchivelog mode?

2268

Explain an index segment?

1051

How to delete a column in an existing table in oracle?

1018

Can the query output be sorted by multiple columns in oracle?

938

Why is oracle so popular?

943

how to use select statement as formal parameter in procedure specification?(someone said that using string) ex:-procedure(a in number,select ename from emp ) i am asking syntax like this?

1952

How to set a transaction to be read only in oracle?

1040

What is a partition in oracle?

1045

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