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

Databases

concept · part of Computer Science / Information Technology

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

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