Question
In the following number-pairs, the second number is
obtained by applying certain mathematical operations to the first number. Select the set in which the numbers are related in the same way as are the numbers of the following sets. 53, 90Â 79, 116Â (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13-Operations on 13 such as adding /subtracting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed)Solution
The correct answer is A
A star schema in a data warehouse consists of:
A snowflake schema differs from a star schema mainly because:
Which of the following is used to maintain information about the structure of a data warehouse?
In a data warehouse, which type of table stores quantitative data for analysis?
What is the result of SELECT COALESCE(NULL, NULL, 5, 10);?
Which OLAP operation involves focusing on a subset of dimensions (e.g., region=‘Asia’)?
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 SQL function returns the total number of rows in a table?
Which SQL keyword is used to combine results from two queries and remove duplicates?
What is a data mart?
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