SQL

SQL (Structured Query Language) is the standard for querying and manipulating relational databases. It's not general-purpose, but it's universal: MySQL, PostgreSQL, SQLite, SQL Server and Oracle all speak it. Indispensable for data work.

• Creado por Chamberlin & Boyce (IBM)
• Año 1974
• Paradigma: Declarative · query
• Extensiones: .sql

Para qué se usa

• Database queries
• Data analysis
• Reporting & ETL

A favor

• Universal for data
• Declarative and concise
• Very mature

En contra

• Not general-purpose
• Different dialects
• Limited logic

Ecosistema

• PostgreSQL
• MySQL
• SQLite
• SQL Server
• Oracle
• MariaDB

Ejemplo

SELECT '¡Hola, mundo!' AS saludo;