Question
Find the wrong number in the given number series,
125, 150, 250, 475, 875, 1500Solution
125 + 5 2 = 150 150 + 10 2 = 250 250 + 15 2 = 475 475 + 20 2 = 875 875 + 25 2 = 1500 Therefore, series is correctÂ
ETL stands for:
Fact constellation schema is best described as:
What is the primary function of ETL in a data warehouse environment?
Which SQL query will correctly calculate the average salary of employees in each department and group them by department in a table named 'employees'?
A snowflake schema differs from a star schema mainly because:
Which of the following is NOT a common OLAP operation?
Data cleansing is primarily concerned with:
In ETL pipelines, which step is primarily responsible for resolving inconsistencies and correcting data quality issues (e.g., missing values, inconsiste...
What is the main purpose of a data mart?
Which of the following best describes a Data Warehouse?
