databases basics - Learn Data Science with Travis

databases-basics

Databases are essential components of modern computing, serving as structured collections of information that can be easily accessed, managed, and updated. They allow users to store vast amounts of data efficiently and retrieve it quickly when needed. Databases can be categorized into relational databases, which organize data in tables with defined relationships, and non-relational databases, which offer more flexible data storage options. Understanding the basics of databases, including their structure, types, and the use of Structured Query Language (SQL) for data manipulation, is crucial for anyone looking to work in fields like data science, software development, or information management.

Database

Codecademy

A database is a collection of structured information stored so it can be easily accessed and updated. In a computer system, databases are commonly accessed through a database management system, referr...

A beginner’s guide to SQL

Towards Data Science

Databases are computer system that allow for storage and easy access of data. Depending on how their data is organised, databases can be relational (RDBMS) or non-relational (NoSQL). Relational…

Database, SQL and NoSQL

Analytics Vidhya

Database is a collection of information that is organized so that it can be easily accessed, managed and updated. Databases typically contain aggregations of data records or files, containing…

Databases

The Hitchhiker's Guide to Python!

Databases DB-API The Python Database API (DB-API) defines a standard interface for Python database access modules. It’s documented in PEP 249 . Nearly all Python database modules such as sqlite3 , psy...

Relational Database Management (RDBMS) Basic for Data Professionals

Towards Data Science

Data scientists need to work with Database on daily basis. As data analysts and engineers, we need to be proficient in SQL and Database Management. Knowing RDBMS will help us access, communicate and…

Mastering SQL Fundamentals

Level Up Coding

A Comprehensive Guide Photo by Leif Christoph Gottwald on Unsplash This article is designed for beginners in the SQL language, offering a step-by-step guide starting from the most fundamental concept...

Hands-on PostgreSQL: Basic Queries

Towards Data Science

SQL provides numerous functions and methods to manage data stored in tabular form. A relational database management system (RDBMS) is a program that uses SQL to manage data stored in a relational…

System Design Basics - Database Scaling

Javarevisited Newsletter

Learn the basics of database scaling, including the differences between relational and non-relational databases and when to choose each type for your app.

Database 101: What Are They and How Are They Different

Towards Data Science

We all have that love and hate relationship with the database, more specifically the data management system (DBMS). It’s an integral part that defines how to access one of the most valuable assets of…...

7 Database Concepts You Should Know About

Better Programming

There’s a lot to know about databases. They’re complex mission-critical applications that sometimes require specialized subject matter experts to maintain them, but that doesn’t mean that they’re…

Basics Of Consistency And Locking In Databases

Better Programming

A database transaction is a unit of work performed in a database management system. Such as creating a record, updating a record, deleting a record and so on. ACID is an acronym that stands for…

Basic SQL Commands — Which You Should Know

Javarevisited

In this article, we are going to discuss some basic Structured Query Languages commands with example queries.Before moving into that we need to understand that what is a database? and what is MySQL?. ...