Relational Data Model, Keys & Integrity Constraints

15 mins read 0 words Topic 12 of 20

Relational model concepts, relations, tuples, domains, super keys, candidate keys, primary keys, and foreign key integrity constraints.

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Relational Data Model, Keys & Integrity Constraints 1. Formal Foundations of the Relational Model Introduced by Dr. Edgar F. Codd in 1970 at IBM, the relational data model represents all data in the form of mathematical two-dimensional tables called Relations. Terminology Mapping: Formal Relational Term Commercial RDBMS Term File System Term Relation Table File Tuple Row / Record Reco...…

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Introduction to Database Management Systems

Relational Database Model

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SQL Fundamentals

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Database Design and Modeling

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Database Security and Integrity

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Indexing and Query Optimization

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Transaction Management and Concurrency Control

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Database Connectivity and Application Development

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NoSQL Databases

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Big Data and Distributed Databases

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Database Systems, Data Models & Three-Schema Architecture

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Relational Data Model, Keys & Integrity Constraints

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Entity-Relationship (ER) Modeling & Conceptual Design

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Relational Algebra & Query Operations

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Structured Query Language (SQL): DDL, DML & Advanced Queries

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Database Normalization & Normal Forms (1NF, 2NF, 3NF, BCNF)

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Transaction Processing, ACID Properties & Concurrency Anomalies

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Concurrency Control, Two-Phase Locking (2PL) & Deadlocks

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Database Indexing, B+ Trees & Query Optimization

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NoSQL Systems, CAP Theorem & Distributed Databases

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