FUNDAMENTALS OF COMPUTER

DATABASE FUNDAMENTALS

WHAT IS DATABASE MANAGEMENT

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In a relational model, a row is known as ____
A
Domain
B
Degree
C
Tuple
D
Attributes
Explanation: 

Detailed explanation-1: -A row, or record, is also known as a tuple. 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-2: -The relational data model represents a table of values (or data table). Each row of the table, therefore, represents a collection of related data values and hence typically corresponds to real world entity or relationship. Formally, a row is called a tuple.

Detailed explanation-3: -(1) In a relational database, a tuple is one record (one row). See record and relational database. (2) A set of values passed from one programming language to another application program or to a system program such as the operating system.

Detailed explanation-4: -In the context of a relational database, a row-also called a tuple-represents a single, implicitly structured data item in a table. In simple terms, a database table can be thought of as consisting of rows and columns.

Detailed explanation-5: -Solution. A tuple is also known as a row.

There is 1 question to complete.