This page is about the skill Data Modelling, which is one of more than 40 technical skills you can assess on Alooba. The Data Modelling skill is about the process of creating models for how data should be stored within a database. For example, showing an understanding of the core concepts of dimensional modelling like data types, dimensions, facts, grains etc. It also requires showing an ability to identify any issues with storing data in particular ways, including loss of information, inability to answer certain business questions etc.
The Data Modelling skill assesses knowledge of topics like Data Models, Data Types, Dimensions, Facts, Star Schema & Snowflake Schema.
Data Modelling is a commonly assessed skill for roles such as Data Engineer, SQL Developer, DBA and Data Governance Manager.
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 Data Modelling well, you can validate that with Alooba Assess.
Yes you sure can. You can assess their skills using Alooba Growth.
Data Modelling 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 Data Modelling 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.