CSC-126beginner

Relational Databases: Core Concepts

A relational database organizes data into relations represented as tables with rows and typed columns, while keys and constraints express identity and valid relationships. Relational databases support business records, accounts, inventories, learning platforms, analytics, content systems, scheduling, and applications requiring structured durable data and consistency.

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Relational Databases: Core Concepts

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CSC-125Web Applications: Systems, Limits & Advanced Connections→

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CSC-127Relational Databases: Components & Representation→

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A relational database organizes data into relations represented as tables with rows and typed columns, while keys and constraints express identity and valid relationships.

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A database engine parses declarative queries, plans operations, accesses pages and indexes, joins rows, applies filters, manages transactions, and records changes durably according to its implementation.

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