MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

SQL

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A column in a database
A
record
B
row
C
field
D
data
Explanation: 

Detailed explanation-1: -A column is a collection of cells alligned vertically in a table. A field is an element in which one piece of information is stored, such as the received field. Usually a column in a table contains the values of a single field. However, you can show several fields in a column by using a Formula or a Combination field.

Detailed explanation-2: -A table has records (rows) and fields (columns).

Detailed explanation-3: -In a relational database, a Table column (sometimes referred to as a field) stores a single data value of a particular type in each row of the Table. Table columns can have various individual properties such as a default value or whether the field accepts Null values.

Detailed explanation-4: -Every database has several fields, records, and files. A database field refers to a set of values arranged in a table and has the same data type. A field is also known as a column or attribute. It is not necessary for the values included in a field to be in the form of text alone, as this is not a requirement.

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