Question
What is the angle made at the centre by the sector
showing the number of laptops sold by shop A? Read the following information carefully and answer the questions given below. The pie chart given below shows the percentage of sold HP laptops by five different shops (A, B, C, D, and E) in December month. Total number of laptops sold in the month December = 1700Solution
Required angle = 12% of 360˚ = 43.2˚
Which SQL constraint ensures that a column’s values are unique across the table?
Which index type is most beneficial for queries that use range predicates (e.g., WHERE age BETWEEN 20 AND 30)?
Which SQL constraint ensures a column cannot have NULL values?
Which SQL clause is used to filter results after a GROUP BY operation?
In PL/SQL, what type of parameter allows a procedure to both receive a value from the calling environment and return a modified value back to it?
Which SQL keyword removes duplicate rows automatically from results?
To rename a column in a SELECT query result, you use:
Deadlock in DBMS can be prevented using:
What is the output of this SQL snippet if the price column contains NULL values?
SELECT SUM(price) FROM products;
Which operator is used for pattern matching in SQL?