The SQL online test assesses SQL skills using live coding tasks that require writing CRUD operations in order to extract, combine, and manipulate data.

The MySQL online test assesses knowledge of MySQL features and SQL skills using live coding tasks that require writing MySQL stored procedures, triggers, and SQL queries.

The Oracle PL/SQL online test assesses knowledge of PL/SQL with live coding tasks that require writing SQL queries and using features specific to the Oracle SQL Engine.

The MS SQL Server online test assesses knowledge of MS SQL Server features and SQL skills using live coding tasks that require writing T-SQL stored procedures, SQL queries, and using features …

The Database Administration online test assesses knowledge of database management systems and SQL skills through a series of live coding tasks that require writing SQL queries.

The Data Warehouse online test assesses knowledge of creating and administering data warehouses. This test includes SQL live coding tasks that require writing CRUD operations in order to extract, …

The Data Analysis online test evaluates the ability to inspect, analyze, interpret, and model data to discover insights and support decision-making.

The Apache Spark online test assesses knowledge of the Spark framework, how to use it to configure Spark clusters, and how to perform distributed processing of large data sets across clusters of …

The Java Selenium online test assesses knowledge of automating web browsers using Selenium and Java, through a series of live coding questions focused on building automated tests.

The MongoDB online test assesses knowledge of MongoDB and NoSQL database concepts, such as flexible document schemas, indexes, and sharding.