Examlex
The DROP VIEW command removes only a view definition.
Pascaline
An early mechanical calculator invented by Blaise Pascal in the 17th century, capable of performing addition and subtraction.
Main Memory
The primary storage area in a computer where data and programs that are in active use are stored; also known as RAM (Random Access Memory).
Central Processing Unit
The primary component of a computer that performs most of the processing inside a computer, executing instructions from programs.
Operating System
The software that manages hardware resources and provides common services for computer programs, acting as an intermediary between users and the computer hardware.
Q1: The _ operating system is an example
Q1: In SQL, you use the NOT NULL
Q2: The _ clause lets you group data
Q3: A(n)_ column is a column that does
Q9: When you use the MAX function, SQL
Q24: How does the physical bus topology work?
Q27: On-board co-processors included on some NICs permit
Q57: The NULL value should be enclosed in
Q60: To add a row to your view,
Q75: A view is a derived table.