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Database Fundamentals

Jacob Lummis

Created on March 26, 2025

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Database Fundamentals

Primer providing definitions for key concepts and terms used in Relational Databases and Data Science in general

Quick Access Menu:

What is aDBMS?

What isMetadata?

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What is an ERD?

What is aDatabase?

What isData?

Data

Data are a collection of discrete or continuous values that convey information. A Datum is an individual value in a collection of Data

Metadata

Metadata is "Data about Data", but not the content of the data itself.

Database

In computing, a database is an organised collection of data or a type of data store based on the use of a database management sytem (DBMS)

DBMS

Data Base Management System

Database Management System is software that provides users with access to a database

ERD

Entity Relationship Diagram

Entity Relationship Diagrams are visual representations of a database

Next Up: Reading an ERD

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