A field in a table that uniquely identifies a record.

Software that allows users to define, manipulate, retrieve, and manage data stored in a database. Examples are Microsoft SQL Server, Oracle Database, MySQL, and Microsoft Access.

A design technique that organizes data in a database in an optimal way. This results in it being easier to add, remove, and update data without introducing errors.

A method of accessing a database using forms that allow users to interact with the database.

A method of accessing a database directly using the database management system itself.

A method of accessing a database using custom computer programs.

A broad and open-ended analysis of extracted big data.

The process of gathering and organizing Large amounts of data.

Data that can be divided into discrete categories.

Data that doesn't follow a clear pattern.

Data that has some discrete categories but also other information that doesn't follow a clear pattern.

Database commands that change the structure, or schema, of the database.

Database commands that modify the records within the database and not the schema itself.

A computer language used by most relational databases for creating queries.

An easy-to-read listing of the results of a query.

A data structure in a relational database that is comprised of fields (columns) and records (rows).