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A structured set of data held in a computer, especially one that is accessible in various ways.

Database Management System, software for creating, managing, and using databases.

Structured Query Language, a language designed for managing and querying data in relational database management systems.

An abstract model that organizes elements of data and standardizes how they relate to one another and to the properties of real-world entities.

A type of data model that structures data into tables, known as relations, which are made up of columns and rows.

Entity-Relationship Model, a conceptual representation of data that defines the structure and the relationships between data.

A unique identifier for a record in a database table, cannot contain null values.

A field in one table that uniquely identifies a row of another table, creating a relationship between the two tables.

The process of structuring a database to reduce data redundancy and improve data integrity.

A set of properties that guarantee database transactions are processed reliably (Atomicity, Consistency, Isolation, Durability).

A database optimization technique that allows for faster retrieval of records from a database table.

A set of SQL statements that can be stored in the database and executed on demand to perform a specific task.

A procedural code that is automatically executed in response to certain events on a particular table or view in a database.

A virtual table whose contents are defined by a query, which can come from one or more underlying tables.

An outline of a database's logical structure, which includes the structure of the objects within it.

The process of constructing and using a data warehouse—a central repository of integrated data from one or more disparate sources.

Online Transaction Processing, a class of systems that facilitate and manage transaction-oriented applications, primarily for data entry and retrieval transaction processing.

Online Analytical Processing, a category of software tools that provide analysis of data stored in a database.

A non-relational database that allows for storage and retrieval of data that is modeled in means other than the tabular relations used in relational databases.