Question
the star schema is the simplest style of data mart
schema and is the approach most widely used to develop data warehouses and dimensional data marts.Solution
The correct answer is A
In defining KPIs for a marketing campaign, what is the most critical aspect a data analyst should ensure?
Which of the following best describes the purpose of data wrangling?
Which of the following SQL operations is used to combine data from two or more tables based on a related column?
Which of the following is an example of metadata in a database?
In Excel, when using a Pivot Table to analyze sales data by product and region, which feature allows you to apply different calculations (like average, ...
Which type of malware is designed to replicate itself without user intervention and spread across networks, often causing widespread disruption?
A smart home system is compromised, and attackers remotely control connected devices like security cameras and smart locks. Which security principle is ...
In project management, the critical path in a PERT chart represents:
Which approach is most effective in leveraging data for fraud detection in financial transactions?
You have a dataset with inconsistent date formats (e.g., 'DD/MM/YYYY', 'MM-DD-YYYY', 'YYYY-MM-DD'). What is the first step you should take to standardiz...
