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?

707

What is where clause in oracle?

752

Which is faster join or subquery in oracle?

717

What is a lookup table in oracle?

726

How to resolve the ORA-39133 error in Oracle?

786

What are the different types of databases?

1 484

What are ACID properties in databases?

1 388

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

1 459

What is indexing, and how does it improve performance?

1 412

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

1 458

What is the CAP theorem?

1 506

How would you optimize a slow SQL query?

1 523

How do you handle duplicate records in a database?

1 460

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

1 462

How do you ensure database security?

1 508

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Un-Answered Questions { Oracle General }

How remove data files before opening a database?

754

What is a data lock in oracle?

783

How to define a data source name (dsn) in odbc manager?

732

What is a static data dictionary in oracle?

737

Explain user account with reference to oracle.

741

What is a snapshot in oracle database?

752

what is the need of indexing topic in oracle? where do we use in a Java project? any other option other than using this to get the same result where we use indexing ?

2217

How do we display rows from the table without duplicates?

710

What are the differences between interval year to month and interval day to second?

747

How to convert dates to characters in oracle?

757

How to test null values?

836

What is the implicit cursor in oracle?

794

How to execute the package in oracle?

792

How to save query output to a local file?

771

Assuming today is Monday, how would you use the DBMS_JOB package to schedule the execution of a given procedure owned by SCOTT to start Wednesday at 9AM and to run subsequently every other day at 2AM.

1708

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