A tuple is 1 -
A tuple is 1 Row of a Table.
A table has rows and columns, where rows represents records and columns represent the attributes. Tuple − A single row of a table, which contains a single record for that relation is called a tuple. Relation instance − A finite set of tuples in the relational database system represents relation instance.
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.
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.
A tuple is a finite sequence of attributes, which are ordered pairs of domains and values. A relation is a set of ordered pairs of domains and names; a relation serves as the header for a relation. A relation is a set of (compatible) tuples. ... The set of all tuples over D is denoted as TD.