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Customer Data Test for Middle Database Developer | SQL

Overall seniority level
Test duration
40 minutes

Test overview

Test is combined from various tasks. SQL task and Choice questions. All evaluated automatically.

Task types

SQL task

SQL | MySQL | 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.

Level: Medium

Tested skills: HSQLDB, MSSQL, MySQL, Oracle, PostgreSQL, SQL

Choice questions

5 choice questions assessing knowledge of Oracle, SQL

Level: Medium

Tested skills: Oracle, SQL

Automatic evaluation

We automatically score multi-choice tests and programming tasks and evaluate candidate code for logical correctness, time efficiency and code quality.