MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

SQL

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the term is used to describe fields in a database?
A
Information
B
Rows
C
Properties
D
Entity
Explanation: 

Detailed explanation-1: -In a database management system (DBMS), an attribute refers to a database component, such as a table. It also may refer to a database field. Attributes describe the instances in the column of a database.

Detailed explanation-2: -The columns in a table is a field and is also referred to as an attribute. You can also think of it this way: an attribute is used to define the record and a record contains a set of attributes.

Detailed explanation-3: -The properties of a field describe the characteristics and behavior of data added to that field. A field’s data type is the most important property because it determines what kind of data the field can store.

Detailed explanation-4: -A table has records (rows) and fields (columns).

Detailed explanation-5: -The word ‘field’ is normally used interchangeably with ‘column’. However, database perfectionists tend to favor using ‘field’ to signify a specific cell of a given row. This is to enable accuracy in communicating with other developers.

There is 1 question to complete.