COMPUTER SCIENCE AND ENGINEERING
DATABASE MANAGEMENT SYSTEM
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Record
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Foreign key
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Primary key
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Field
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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.
Detailed explanation-2: -An attribute defines a particular property of an object, element or file. It can also refer to a specific value for a given instance of that property.
Detailed explanation-3: -In relational databases, attributes are the describing characteristics or properties that define all items pertaining to a certain category applied to all cells of a column. The rows, instead, are called tuples, and represent data sets applied to a single entity to uniquely identify each item.
Detailed explanation-4: -An attribute refers to the quality of a characteristic. The theory of attributes deals with qualitative types of characteristics that are calculated by using quantitative measurements.
Detailed explanation-5: -In a relational database, a column is a set of data values of a particular simple type, one value for each row of the database. A column can also be called an attribute.