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Record (computer science)

In computer science, a record (also called a structure, struct, user-defined type (UDT), or compound data type) is a composite data structure – a collection of fields, possibly of different data types, typically fixed in number and sequence. For example, a date could be stored as a record containing a numericyear field, a month field represented as a string, and a numeric day-of-month field. A circle record might contain a numeric radius and a center that is a point record containing x and y coordinates.

Struct (C programming language)In the C programming language, struct (referring to a structure) is the keyword used to define a composite, a.k.a. record, data type – a named set of values that occupy a block of memory. It allows for the different values to be accessed via a single identifier, often a pointer. A struct can contain other data types, so it is used for mixed-data-type records.Programming languageProgramming languageA programming language is an engineered language for expressing computer programs, typically allowing software to be written in a human readable manner. Execution of a program requires an implementation. There are two main approaches for implementing a programming language – compilation, where programs are translated ahead-of-time to machine code, and interpretation, where programs are directly executed.Field (computer science)Field (computer science)In data hierarchy, a field (data field) is a variable in a record. A record, also known as a data structure, allows logically related data to be identified by a single name. Identifying related data as a single group is central to the construction of understandable computer programs. The individual fields in a record may be accessed by name, just like any variable in a computer program. Each field in a record has two components.Comma-separated valuesComma-separated valuesComma-separated values (CSV) is a plain textdataformat for storing tabular data where the fields (values) of a record are separated by a comma as the delimiter and each record is a line (i.e. newline is the delimiter). CSV is commonly used in software that generally deals with tabular data such as a database or a spreadsheet. Benefits cited for using CSV include simplicity of use and human readability. CSV is a form of delimiter-separated values.SpreadsheetSpreadsheetA spreadsheet is a computer application for computation, organization, analysis and storage of data in tabular form. Spreadsheets were developed as computerized analogs of paper accounting worksheets. The program operates on data entered in cells of a table. Each cell may contain either numeric or text data, or the results of formulas that automatically calculate and display a value based on the contents of other cells.Computer scienceComputer scienceComputer science is the study of computation, information, and automation. Included broadly in the sciences, computer science spans theoretical disciplines (such as algorithms, theory of computation, and information theory) to applied disciplines (including the design and implementation of hardware and software). An expert in the field is known as a computer scientist. Algorithms and data structures are central to computer science.Data typeData typeIn computer science and computer programming, a data type (or simply type) is a collection or grouping of data values, usually specified by a set of possible values, a set of allowed operations on these values, and/or a representation of these values as machine types. A data type specification in a program constrains the possible values that an expression, such as a variable or a function call, might take.NumberNumberUsed to count, measure, and labelSet inclusions between the natural numbers (ℕ), the integers (ℤ), the decimal fractions (𝔻), the rational numbers (ℚ), the real numbers (ℝ), and the complex numbers (ℂ)A number is a mathematical object used to count, measure, and label. The most basic examples are the natural numbers: 1, 2, 3, 4, 5, and so forth.Table (database)In a database, a table is a collection of related data organized in table format (consisting of columns and rows). In relational databases, and flat file databases, a table is a set of data elements (values) using a model of vertical columns (identifiable by name) and horizontal rows, the cell being the unit where a row and column intersect. A table has a specified number of columns, but can have any number of rows.Data structureData structureIn computer science, a data structure is a way to organize and store data that is usually chosen for efficient access to data. More precisely, a data structure is the physical implementation of a data type, including specifications of the data organization and storage format, as well as functions or operations for working with this data. Data structures are closely related to abstract data types (ADTs).Computer data storageComputer data storageComputer data storage or digital data storage is the retention of digital data via technology consisting of computer components and recording media. Digital data storage is a core function and fundamental component of computers. Generally, the faster and volatile storage components are referred to as "memory", while slower persistent components are referred to as "storage".Composite data typeIn computer science, a composite data type or compound data type is a data type that consists of programming language scalar data types and other composite types that may be heterogeneous and hierarchical in nature. It is sometimes called a structure or a record or by a language-specific keyword used to define one such as struct. It falls into the aggregate type classification which includes homogenous collections such as the array and list.

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