This page is about the skill Relational Databases, which is one of more than 40 technical skills you can assess on Alooba. The Relational Databases skillis mainly about understanding core concepts in relational databases. Participants will need to demonstrate knowledge of things like types of database objects (tables, views, functions, procedures and triggers), importing and exporting data from databases, understanding how tables relate to each other through keys, understanding the concept of normalisation, understanding star and snowflake schema, understanding how to ensure data integrity through data types, constraints etc.
The Relational Databases skill assesses knowledge of topics like Atomicity, Cardinality, Concurrency Control, Constraints, Data Structures, Entity Relationship Diagrams, Federated Data Source, Hashing Data, Indices, Keys, Locks, Normalization, ORM, Partitioning, Query Optimisation, Transactions & Views.
Relational Databases is a commonly assessed skill for roles such as Software Engineers, Data Engineers, DBA & SQL Developers.
A critical part of running an ethical hiring process that’s fair and meritocratic is having objective measures of someone’s skills. Why does ethical hiring matter? Simple - it helps you hire the best person for the job.
Robert Half reported that the cost of a bad hire is on average 15-21% of the employee’s salary.
What was the most common reason for mis-hires? A lack of the right technical skills. This a true hiring own-goal, as it’s so easily preventable through a valid, thorough skills assessment.
So, if your role requires a candidate to know Relational Databases well, you can validate that with Alooba Assess.
Yes you sure can. You can assess their skills using Alooba Growth.
Relational Databases can be assessed through the Concepts & Knowledge test & Free Response test. The Free Response Test includes different answer options like written responses, video answers and diagram answers.
Yes, you can add your own Relational Databases questions via the question bank.
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Each question on Alooba is categorized by difficulty - Easy, Medium & Hard. You can set the difficulty level to whatever you like by picking and choosing the questions that you want to include.
You can also assess someone’s intelligence, their personality type and critical soft skills, like communication.