Database Technology - Functional Dependency, Keys and Constraints, Normal Form - Code World

Database Technology - Functional Dependency, Keys and Constraints, Normal Form

Internet 2023-07-18 18:01:48 views: null

NoSuchKey

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Origin blog.csdn.net/MARKDD915/article/details/129109966

Database Technology - Functional Dependency, Keys and Constraints, Normal Form

Database Technology - Functional Dependency, Keys and Constraints, Normal Form

Database Technology - Functional Dependency, Keys and Constraints, Normal Form

[Database] Functional dependencies, candidate keys

3.6.1 Database System-Normalization Theory: Problems Existing in Denormalization, Basic Concepts of Normalization Theory, Functional Dependency, Key, Finding Candidate Keys, Finding Candidate Key Examples, Functional Dependency, Armstrong Axiom

Database (First Normal Form, Second Normal Form, Third Normal Form)

Three paradigms of database (first normal form, second normal form, third normal form, BCNF normal form)

Database model design, simple example understanding of first normal form, second normal form, and third normal form

Database Design---First Normal Form, Second Normal Form, Third Normal Form

3.6.2 Database system-paradigm judgment: paradigm classification, first normal form, second normal form, third normal form, BC normal form

Functional dependency

Various NFs in the database (meaning of normal form)

Functional dependency model of mad science database design issues and data

Overview of database system--determine whether decomposition maintains functional dependency

Database system overview--minimum functional dependency set

Database constraints

Database Principles and Applications (SQL)——3. Relational Data Theory (Functional Dependency, Closure, Minimum Set of Functional Dependent Sets, Normalization --- Paradigm )

[Database] - 2NF, 3NF, BCNF, minimum functional dependency set examples

3.6.3 Database System-Schema Decomposition: Whether to Keep Functional Dependency, Keep Functional Dependency Decomposition Definition, Lossless Decomposition, Table Method, Formula Method

first normal form, second normal form, third normal form

Constraints of SQL Sever database

Constraints database field

And database integrity constraints

Constraints table in the database

Talk about database constraints

Database integrity constraints

Database-common constraints

Database integrity constraints

Unique Constraints for Oracle Database

Database MySQL - Constraints

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