An individual row or record in a database table. Each tuple records the values for the columns defined in the table.
Define tuple. tuple synonyms, tuple pronunciation, tuple translation, English dictionary definition of tuple. n. A generalization of ordered pairs, such as , and ordered triples, such as , in any dimension. An n -tuple is an ordered list of n numbers and
The data in a relation is also organized by tuples, which group corresponding data into related sets. For example, the employee relation would likely include a tuple for each employee, and each tuple would include a value for each attribute. In a physical database, tuples are referred to a...
Typically separated by commas, the values may be parameters for a function call or a set of data values for a database. See function. Copyright © 1981-2023 by The Computer Language Company Inc. All Rights reserved. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction is ...
Database (DBMS) Risk Management Margaret Rouse Technology Expert Margaret is an award-winning technical writer and teacher known for her ability to explain complex technical subjects to a non-technical business audience. Over the past twenty years, her IT definitions have been published by Que in ...
Similar to lists, you’ll often create new tuples using literals. Here’s a short example showing a tuple definition:Python >>> connection = ("localhost", "8080", 3, "database.db") >>> connection ('localhost', '8080', 3, 'database.db') In this example, you create a tuple ...
Thanks to that, the performance is significantly shifted and improved, whereas, in our solution, index approach can be always used, since each data row is delimited by the primary key definition.Michal KvetKarol Matiako会议论文
Tuples are commonly used in four different ways:To represent a single set of data. For example, a tuple can represent a database record, and its components can represent individual fields of the record. To provide easy access to, and manipulation of, a data set. The following example ...
Definition Namespace: System Assemblies: netstandard.dll, System.Runtime.dll Source: Tuple.cs Represents a 4-tuple, or quadruple. C# Copy public class Tuple<T1,T2,T3,T4> : IComparable, System.Collections.IStructuralComparable, System.Collections.IStructuralEquatable, System.Runtime.CompilerSer...
Definition Namespace: System Assemblies: netstandard.dll, System.Runtime.dll Source: Tuple.cs Represents a 2-tuple, or pair. C#Copy publicclassTuple<T1,T2> :IComparable,System.Collections.IStructuralComparable,System.Collections.IStructuralEquatable,System.Runtime.CompilerServices.ITuple ...