DATABASE FUNDAMENTALS
BASICS OF BIG DATA
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[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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field
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record
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Detailed explanation-1: -Information about each item in a database is called a record. Elements of an individual record are called fields.
Detailed explanation-2: -A field: Contains data about one aspect of the table subject, such as first name or e-mail address. A field value: Each record has a field value. For example, Contoso, Ltd. or someoneexample.com.
Detailed explanation-3: -Metadata means “data about data". Metadata is defined as the data providing information about one or more aspects of the data; it is used to summarize basic information about data that can make tracking and working with specific data easier. Some examples include: Means of creation of the data.
Detailed explanation-4: -Database-is an integrated collection of logically related records or files. A database consolidates records previously stored in separate files into a common pool of data records that provides data for many applications. The data is managed by systems software called database management systems (DBMS).