DATABASE FUNDAMENTALS
BASICS OF BIG DATA
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Fields
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Records
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Primary Keys
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Foreign Keys
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Detailed explanation-1: -A table has records (rows) and fields (columns). Fields have different types of data, such as text, numbers, dates, and hyperlinks. A record: Contains specific data, like information about a particular employee or a product.
Detailed explanation-2: -Each row of a table is called a data record.
Detailed explanation-3: -In relational databases, a row is a data record within a table. Each row, which represents a complete record of specific item data, holds different data within the same structure. A row is occasionally referred to as a tuple.
Detailed explanation-4: -A single entry in a table is called a Tuple or Record or Row. A tuple in a table represents a set of related data.
Detailed explanation-5: -Since a new row creates a new entry in the table/spreadsheet, it is called a record. The same is true in a database: records are stored in rows that make up the table. The fields in the database are the columns.