CLOUD COMPUTING
DATABASE MANAGEMENT
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Column
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Key
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Row
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Entry
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Detailed explanation-1: -Explanation: Fields are the column of the relation or tables.
Detailed explanation-2: -And within a table, each row represents a group of related data values. 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-3: -A relation is a relationship between sets of values. In math, the relation is between the x-values and y-values of ordered pairs.
Detailed explanation-4: -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.