What are oracle interview questions?

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

  1. How can we tell if an Oracle patch has been implemented or not?
  2. What is sqlnet.ora, and why is it important?
  3. What does the NVL function do?
  4. What does RAW data mean?
  5. Explain SQL joins?
  6. What is the difference between the SQL datatypes CHAR and VARCHAR2?
  7. How do we access a table’s field details?
  8. Explain how cascading triggers work.
  9. How are SQL and MySQL different?
  10. What are the different Oracle constraints?