Knowledge Graph — Coursera Notes › Academic disciplines › Information Technology / Computer Science

Databases

concept · part of Information Technology / Computer Science

Structured, tabular, queryable data sources supporting complex queries, best for data integrity and consistency.

Inside Databases (4)

• SQL — A standardized language for managing relational databases, supporting querying, updating, inserting, and deleting data.
• NoSQL databases — NoSQL databases are a category of Databases designed for flexible, scalable storage of unstructured or semi-structured data.
• Schema — A logical grouping of tables within a database, created with CREATE SCHEMA.
• External datasets — Public or third-party datasets that are often pre-curated and used to supplement existing data.

Connections

• Alternative to External datasets
• Related to Collection

This is the text view of an interactive 3D knowledge graph — open this page with JavaScript enabled to explore it visually.