COMPUTER SCIENCE AND ENGINEERING
SQL
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A row or record in a database table
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Another name for the key linking different tables in a database.
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An attribute attached to a record.
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Another name for a table in an RDBMS.
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Detailed explanation-1: -A table row contained in a table in the tablespace is known as a tuple. Typically, a table has rows and columns, where the rows represent records and the columns represent attributes. A tuple is a single row in a database that contains a single record for such a relation.
Detailed explanation-2: -Records are similar to tuples, in that they group together various data elements. A record has fields, and these are named. While tuples are an ordered collection of data values, a tuple is an unordered collection of labeled data values.
Detailed explanation-3: -In the context of a relational database, a row-also called a tuple-represents a single, implicitly structured data item in a table. In simple terms, a database table can be thought of as consisting of rows and columns.
Detailed explanation-4: -(D) Key. Answer: In a relational database, a row contained in the table is referred to as tuple.
Detailed explanation-5: -In relational databases, a tuple is one record (one row). The information in a database can be thought of as a spreadsheet, with columns (known as fields or attributes) representing different categories of information, and tuples (rows) representing all the information from each field associated with a single record.