Question
This question consists of a sentence which is divided into
four parts numbered (1) to (4). Only one part of the sentence is not acceptable in standard written English. Identify the part which contains an error.Solution
The verb "insist" is followed by "on + gerund" rather than an infinitive. The correct phrasing should be "She insisted on going" instead of "She insisted to go."
What is a data mart?
Which SQL query will correctly calculate the average salary of employees in each department and group them by department in a table named 'employees'?
Which analytics type is focused on predicting future outcomes?
Which of the following is a key process in ETL?
Which OLAP operation summarizes data along a dimension?
A data cube allows analysis by:
In the context of a relational database, which of the following is NOT a characteristic of a candidate key ?
A snowflake schema is different from a star schema because:
ETL stands for:
What does "drill-down" operation in OLAP do?