Oracle coding questions

DevSkiller Oracle coding questions were prepared by our team of developers to screen SQL developers and engineers. We have Oracle coding test questions available for senior-level SQL developers.

All of our Oracle coding questions are powered by the RealLifeTesting Methodology™ which provides valuable insight into the candidate’s coding ability. Finding your next SQL developer has never been easier with DevSkiller and our Oracle coding test questions.

MongoDB
MIDDLE
Tested skills
Duration
51 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of SQL, MongoDB, NoSQL

Code gaps

assessing knowledge of MongoDB

Task - Level: Medium

SQL | Customer Data - Find all the customers whose first and last names are not unique in this database, as well as the number of times each first and last name pair appears in the database.

MIDDLE
Tested skills
Duration
40 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of SQL, MySQL

Task - Level: Medium

SQL | Customer Data - Find all the customers whose first and last names are not unique in this database, as well as the number of times each first and last name pair appears in the database.