A Activity diagram used in UML 6/9 and SysML B Bachman diagram Booch used in software engineering Block diagram Block Definition Diagram BDD used in SysML C Carroll diagram Cartogram Catalytic cycle Chemical equation Curly arrow diagram Category theory diagrams Cause-and-effect diagram Chord diagram Circuit diagram Class diagram from UML 1/9 Collaboration diagram from UML 2.0 Communication diagram from UML 2.0 Commutative diagram Comparison diagram Component diagram from UML 3/9 Composite structure diagram from UML 2.0 Concept map Constellation diagram Context diagram Control flow diagram Contour diagram Cordier diagram Cross functional flowchart D Data model diagram Data flow diagram Data structure diagram Dendrogram Dependency diagram Deployment diagram from UML 9/9 Dot and cross diagram Double bubble map used in education Drakon-chart E Entity-Relationship diagram ERD Event-driven process chain Euler diagram Eye diagram a diagram of a received telecommunications signal Express-G Extended Functional Flow Block Diagram EFFBD F Family tree Feynman diagram Flow chart Flow process chart Flow diagram Fusion diagram Free body diagram G Gantt chart shows the timing of tasks or activities used in project management Grotrian diagram Goodman diagram shows the fatigue data example: for a wind turbine blades H Hasse diagram HIPO diagram I Internal Block Diagram IBD used in SysML IDEF0 IDEF1 entity relations Interaction overview diagram from UML Ishikawa diagram J Jackson diagram K Karnaugh map Kinematic diagram L Ladder diagram Line of balance Link grammar diagram M Martin ERD Message Sequence Chart Mind map used for learning, brainstorming, memory, visual thinking and problem solving Minkowski spacetime diagram Molecular orbital diagram N N2 Nassi Shneiderman diagram or structogram a representation for structured programming Nomogram Network diagram O Object diagram from UML 2/9 Organigram Onion diagram also known as "stacked Venn diagram" P Package diagram from UML 4/9 and SysML Parametric diagram from SysML PERT Petri net shows the structure of a distributed system as a directed bipartite graph with annotations Phylogenetic tree - represents a phylogeny evolutionary relationships among groups of organisms Piping and instrumentation diagram P&ID Phase diagram used to present solid/liquid/gas information Plant Diagram Pressure volume diagram used to analyse engines Pourbaix diagram Process flow diagram or PFD used in chemical engineering Program structure diagram R Radar chart Radial Diagram Requirement Diagram Used in SysML Rich Picture R-diagram Routing diagram S Sankey diagram represents material, energy or cost flows with quantity proportional arrows in a process network. Sentence diagram represents the grammatical structure of a natural language sentence. Sequence diagram from UML 8/9 and SysML SDL/GR diagram Specification and Description Language. SDL is a formal language used in computer science. Smith chart Spider chart Spray diagram SSADM Structured Systems Analysis and Design Methodology used in software engineering Star chart/Celestial sphere State diagram are used for state machines in software engineering from UML 7/9 Swim lane Syntax diagram used in software engineering to represent a context-free grammar Systems Biology Graphical Notation a graphical notation used in diagrams of biochemical and cellular processes studied in Systems biology System context diagram System structure Systematic layout planning T Timing Diagram: Digital Timing Diagram Timing Diagram: UML 2.0 TQM Diagram Treemap U UML diagram Unified Modeling Language used in software engineering Use case diagram from UML 5/9 and SysML V Value Stream Mapping Venn diagram Voronoi diagram W Warnier-Orr Williot diagram Y Yourdon-Coad see Edward Yourdon, used in software engineering
Para normalizar una base de datos, debes aplicar reglas. Las reglas sirven para identificar y eliminar anomalías en los datos. Cada regla transforma los datos en una estructura determinada, llamada forma normal. En total, existen hasta ocho formas, pero vamos a considerar las tres más importantes.
La normalización de bases de datos organiza y optimiza la información para eliminar redundancias y asegurar la integridad. El proceso se realiza mediante formas normales (1NF, 2NF, 3NF, etc.), cada una con reglas más estrictas.
En simples palabras, la normalización de base de datos implica organizar una base de datos en varias tablas para reducir redundancia. Puedes diseñar la base de datos para seguir cualquiera de los tipos de normalización, tales como 1 NF, 2NF y 3NF.
Te mostraré el proceso completo de normalización, desde los conceptos básicos hasta las formas normales avanzadas, con ejemplos prácticos que transforman datos desordenados en estructuras de bases de datos limpias y fáciles de mantener.
¿Alguna vez te has preguntado qué significa la normalización de base de datos y cuáles son las 5 formas normales? En este artículo, te explicaré de manera sencilla y clara todo lo que necesitas saber sobre este importante concepto en el mundo de la informática y la gestión de datos.
La normalización es el proceso de estructurar una base de datos para reducir la redundancia y mejorar la consistencia. En pocas palabras, divide tablas grandes y desordenadas en tablas más pequeñas y bien organizadas.
La normalización optimiza las tablas en los sistemas de gestión de bases de datos (DBMS) para cumplir con lo que se conoce como formas normales: conjuntos de reglas que rigen cómo se organizan los atributos dentro de una tabla.
Descubre cómo aplicar la normalización paso a paso, cuándo romper las reglas con la desnormalización y, sobre todo, cómo diseñar estructuras de datos que te hagan la vida más fácil hoy y en el futuro.
En este tutorial, exploraremos en detalle qué es la normalización de bases de datos, su propósito, los tipos principales de normalización (1NF, 2NF y 3NF) y cómo aplicarlos con ejemplos prácticos.
Las bases de datos relacionales se normalizan para: Minimizar la redundancia de los datos. Disminuir problemas de actualización de los datos en las tablas. Proteger la integridad de datos.
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