Question
A solid cuboid has dimensions 12 cm × 9 cm × 8 cm.
(a) Find its volume. (b) Find the length of its space diagonal.Solution
(a) Volume = l × b × h = 12 × 9 × 8 = 864 cm³ (b) Space diagonal d: d = √(l² + b² + h²) = √(12² + 9² + 8²) = √(144 + 81 + 64) = √289 = 17 cm.
If every non-key attribute is functionally dependent on the primary key, the relation will be in
Which SQL clause is used to group rows based on one or more columns?
Which SQL isolation level allows phantom reads but prevents dirty reads and non-repeatable reads?
Which of the following operators is used to compare a value to a list of literal values that have been specified?
An SQL `VIEW` is a:
A column or set of columns that uniquely identifies each row in a table is called a:
Which SQL command is used to retrieve data from a table?
Which normal form eliminates transitive dependency?
What is the maximum number of processes that can be in the Ready state?
Which SQL statement is used to remove all rows from a table without logging individual row deletions?
