COMPUTER SCIENCE AND ENGINEERING
DATABASE MANAGEMENT SYSTEM
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
attributes
|
|
|
relationships
|
|
|
entities
|
|
|
variables
|
Detailed explanation-1: -Logically related data means that the data should be relevant in some context. Example: If we are going to make a database for a customer then the database may include customer name, contact number, age, past orders, address, email id, etc. All these information are in the context of the customer.
Detailed explanation-2: -Database-is an integrated collection of logically related records or files. A database consolidates records previously stored in separate files into a common pool of data records that provides data for many applications.
Detailed explanation-3: -Character-A character is the most basic logical data element. It consists of a single alphabetic, numeric, or other symbol.
Detailed explanation-4: -A database is an integrated collection of logically related records or files.