As technology continues to evolve, the demand
Top 50 Oracle Interview Questions and Answers | Questions for Freshers and Experienced | Edureka
FAQ
What does Oracle ask in interview?
52. What is an Oracle database? Interviewers may ask this question to see how brief or in-depth your response is. An Oracle database is a management system for data storage and retrieval, but it also consists of various components that allow users to have certain data access, modifications or functions.
How to find top 10 values in Oracle?
Fetching the first N rows from a result set is easy with the fetch first clause: select * from co. orders order by order_datetime desc fetch first 10 rows only; Or if you’re using an archaic version of Oracle Database you can use the rownum trick.
Are Oracle interviews difficult?
Oracle Interviews FAQs Is it hard to get hired at Oracle? Glassdoor users rated their interview experience at Oracle as 65.1% positive with a difficulty rating score of 2.90 out of 5 (where 5 is the highest level of difficulty).
How to find top 10 long running queries in Oracle?
Answer: You can query the v$session_longops view to find long-running queries and you can query the AWR to find historical queries (if you have purchased the AWR packs).. The Oracle data dictionary contains a little-known view called the v$session_longops.
