Question
Which of the following SQL queries is used to remove a
table from a database?Solution
The DROP statement is used to permanently remove a table from the database. When a table is dropped, the table structure, along with its data, is deleted, and it cannot be recovered. a) DELETE : DELETE is used to remove rows from a table, not the table structure itself. c) TRUNCATE : TRUNCATE removes all rows from a table but retains the table structure. d) ALTER : ALTER is used to modify the structure of an existing table, not remove it. e) REMOVE : REMOVE is not a valid SQL command.
Find the simpliied value of the following expression:
12 × [15 of 8 - 6 of (32 - 8 of 3)]
In the question, two equations I and II are given. You have to solve both the equations to establish the correct relation between x and y and choose the...
A can complete a work in 12 days, while B can complete it in 15 days. How many days will they take to finish the work together?
The ratio of milk and water in a mixture of 28 litres is 4 : 3. Find the quantity of milk in the mixture?
I). p 2 – 5p – 126 = 0
II). q 2 + 9q – 90 = 0
13, 55, 111, 183, 273, ?
If a point P(x, y) is equidistant from A(6, 2) and B(-2, 6), find the equation representing this condition.
How many sides does a regular polygon with each interior angle measuring 140° have?
The height of a solid cylinder is 30 cm and the diameter of its base is 10 cm. Two identical conical holes each of radius 5 cm and height 12 cm are dril...
What will come in place of ?
4, 5, 13, 40, 104, ?.
