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?

711

What is where clause in oracle?

755

Which is faster join or subquery in oracle?

721

What is a lookup table in oracle?

732

How to resolve the ORA-39133 error in Oracle?

788

What are the different types of databases?

1 515

What are ACID properties in databases?

1 412

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

1 485

What is indexing, and how does it improve performance?

1 428

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

1 474

What is the CAP theorem?

1 516

How would you optimize a slow SQL query?

1 544

How do you handle duplicate records in a database?

1 464

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

1 486

How do you ensure database security?

1 531

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Un-Answered Questions { Oracle General }

What are the advantages of oracle?

752

What is oracle used for?

734

How to display employee records who gets more salary than the average salary in the department?

799

What is the max number of columns in an oracle table?

711

How to manage transaction isolation level?

744

How to call a sub procedure?

802

What is the quickest way to fetch the data from a table?

795

How to increment dates by 1 in oracle?

760

How to upsert (update or insert into a table)?

728

Is the After report trigger fired if the report execution fails ?

2675

What is system tablespace?

830

Oracle

2117

Explain an exception and its types?

800

What is the use of oracle?

766

What is meant by raw datatype?

781

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