DATABASE FUNDAMENTALS
WHAT IS DATABASE MANAGEMENT
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Field Size
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Data Type
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Field Name
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Data Field
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Detailed explanation-1: -Primary Key-a field containing a value that uniquely identifies each record in a table.
Detailed explanation-2: -The unique identifier is a column or field in your database. Unique identifiers in a database are used to distinguish fields from each other. A unique identifier is used when information is called from the database and needs to be distinguished from other information in the database.
Detailed explanation-3: -primary key: A field that uniquely identifies a record in a table.
Detailed explanation-4: -A primary key, also called a primary keyword, is a column in a relational database table that’s distinctive for each record. It’s a unique identifier, such as a driver’s license number, telephone number with area code or vehicle identification number (VIN). A relational database must have only one primary key.
Detailed explanation-5: -Field names. Field names are the names you give to the columns in a table. The names should indicate what data is contained in each column.