Oracle is a global technology firm that operates in database administration, business products, and cloud services. In terms of market value and sales, it was the second-largest software firm in 2021, making it a very attractive company for developers.
The Oracle interview process sticks to a uniform procedure in terms of making recruiting more competitive. The interview procedure can be considered long but the difficulty level is average.
-
A telephonic interview with HR is the initial phase of the process.
-
Candidates that pass the first level will be called for a technical phone interview, which will include questions about their history and coding.
-
The last stage is an on-site interview with the team managers.
Oracle frequently asked interview questions
- How can we tell if an Oracle patch has been implemented or not?
- What is sqlnet.ora, and why is it important?
- What does the NVL function do?
- What does RAW data mean?
- Explain SQL joins?
- What is the difference between the SQL datatypes CHAR and VARCHAR2?
- How do we access a table’s field details?
- Explain how cascading triggers work.
- How are SQL and MySQL different?
- What are the different Oracle constraints?