Their interview questions are pretty basic and the whole product is pretty much useless. Waste of time and money.
DBeaver - DBeaver - Universal Database Manager and SQL Client.
LeetCode - Practice and level up your development skills and prepare for technical interviews.
DataGrip - Tool for SQL and databases
HackerRank - HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.
HeidiSQL - HeidiSQL is a powerful and easy client for MySQL, MariaDB, Microsoft SQL Server and PostgreSQL. Open source and entirely free to use.
Daily Coding Problem - Get exceptionally good at coding interviews