Data stream - A data stream is a sequence of data items made available progressively over time.
Data stream management system - A data stream management system, or DSMS, is a system designed to manage and query data that arrive continuously.
Data stream mining - Data stream mining discovers patterns or updates analytical models from data arriving over time, often under limits on memory and processing time.
Data structure - A data structure is a way of organizing and representing data so that particular operations can be performed on it.
Data tempering - Data tempering is a Bayesian computational strategy that moves through a sequence of posterior distributions by gradually incorporating observations or...
Data term - A data term is the part of an optimization objective that measures how well a proposed solution agrees with observed data under a chosen model.
Data theft - Data theft is the deliberate unauthorized taking or copying of information.
Data thinking - Data thinking is an approach to developing data-informed solutions that connects human needs, problem framing and data analysis.
Data Transformation - Data transformation is the conversion of data from one representation, structure, or set of values into another according to defined rules.
Data truncation - Data truncation is the shortening of a value by removing part of it, usually because a destination, conversion, operation, or limit allows less information...
Data type - A data type describes what kind of value a column or field holds, such as whole number, decimal, text, date or true-false, and decides what you can do with...
Data validation according to a list - Data validation according to a list is the checking of a data value against an explicitly defined set of acceptable values for a field.
Data vault modeling - Data vault modeling is a data-modeling approach commonly used to integrate and retain historical data from multiple sources.
Data verification - Data verification is the process of checking data against specified evidence or requirements and documenting the result.
Data version control - Data version control is the practice of identifying, recording and managing changes to datasets so that particular versions can be retrieved, compared and...
Data virtualization - Data virtualization is an approach that presents data from different systems through a shared logical access layer.
Data visualization - Data visualization represents data through graphical elements such as position, length, color, shape, or size.
Data Warehouse - A data warehouse is a data-management environment organized primarily for analysis and reporting, often integrating current and historical information from...
Data warehouse automation - Data warehouse automation is the use of software to generate and manage repeatable parts of a data warehouse's lifecycle.
Data wrangling - Data wrangling is the work of turning available data into a form suitable for a particular analysis or application.
Database - A database is an organized collection of data that can be stored, accessed and maintained as a coherent whole.
Database-as-IPC - Database-as-IPC means using a database as a channel for inter-process communication: one process writes information that another reads to discover work or...
Database Client - A database client is a program or software component that requests database services, such as running queries and receiving results.
Database connection - A database connection is the communication context through which a program interacts with a database.
Database design - Database design is the process of deciding how a database will represent, organize, relate and protect information so that it supports its intended uses.
Database dump - A database dump is an exported representation of database contents, often including definitions of database objects and the data they contain.
Database encryption - Database encryption uses cryptographic methods and keys to protect database information from being read in specified unauthorized circumstances.
Database engine - A database engine is the core software that carries out database operations, such as finding, storing and changing records.
Database index - A database index is a structure maintained to help a database locate or organize relevant records efficiently.
Database instance - A database instance is a particular operational database environment or runtime, with its precise meaning defined by the database product.
Database management system - A database management system, or DBMS, is software that manages the storage, organization, retrieval and modification of data in databases.
Database normalization - Database normalization is the systematic organization of relational tables according to rules about keys and dependencies.
Database object - A database object is a defined component that a database management system recognizes and manages, such as a table, view, index, sequence or function.
Database preservation - Database preservation is the planned maintenance of a database's information so that it remains accessible, interpretable and trustworthy over time...
Database refactoring - Database refactoring is a small, deliberate change that improves a database's design while preserving the intended meaning of its information and the...
Database schema - A database schema describes the structure of a database, including its tables, fields, data types, relationships and relevant constraints.
Database semantics - In AI logic, database semantics interprets a knowledge representation using assumptions that make its recorded facts describe a definite, bounded world.
Database transaction - A database transaction is a unit of work that groups database operations under defined completion and concurrency rules.
Database transaction schedule - A database transaction schedule is an abstract ordering of operations from one or more transactions.
Database virtualization - Database virtualization separates how a database is presented or managed from some details of its underlying resources.
Datafication - Datafication is the process of turning activities, relationships or phenomena into data that can be recorded, compared and analyzed.
Datalog - Datalog is a declarative logic-programming language for expressing facts and rules over relations.
Dataset shift - Dataset shift is a difference between the data distribution used to develop a model and the distribution encountered during evaluation or use.
Datasheet - A datasheet for a dataset is structured documentation explaining why a dataset was created, what it contains, how it was collected and prepared, how it...
Dataveillance - Dataveillance is the systematic monitoring or investigation of people through records about their activities or communications.
Dative alternation - The dative alternation is a choice between related grammatical constructions for expressing a recipient and a transferred theme.
Daubechies wavelet - A Daubechies wavelet is a member of a family of compactly supported orthogonal wavelets developed by Ingrid Daubechies.
Davies-Bouldin Index - The Davies-Bouldin Index is an internal clustering measure that compares within-cluster spread with separation between cluster centers.