Notes in BDD Bases de datos

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Status	Last Update	Fields
Published	09/09/2024	PHP Basico
Published	09/09/2024	PHP bools y control de flujo
Published	09/09/2024	PHP listas
Published	09/09/2024	PHP listas largo y ciclar
Published	09/09/2024	PHP listas, cambiar elementos
Published	09/09/2024	metodos string
Published	09/09/2024	metodos archivo
Published	09/09/2024	PHP Funciones
Published	09/09/2024	DBMS
Published	09/09/2024	Modelo Relacional
Published	09/09/2024	¿Que Lenguaje de Consultas usamos?
Published	09/09/2024	Esquema
Published	09/09/2024	Relaciones, Atributos, Tuplas en un modelo relacional.
Published	09/09/2024	Llaves en un modelo relacional
Published	09/09/2024	Llave Surrogada
Published	09/09/2024	Algebra Relacional
Published	09/09/2024	Algebra Relacional: Proyeccion.
Published	09/09/2024	Algebra Relacional: Seleccion.
Published	09/09/2024	Algebra Relacional: Union.
Published	09/09/2024	Algebra Relacional: Renombrar Atributos
Published	09/09/2024	Algebra Relacional: Renombrar relaciones
Published	09/09/2024	Algebra Relacional: Producto Cruz
Published	09/09/2024	Algebra Relacional: Join
Published	09/09/2024	Algebra Relacional: Join Natural
Published	09/09/2024	Algebra Relacional: Consultas Monotonas
Published	09/09/2024	Algebra Relacional: Diferencia
Published	09/09/2024	Etapas de diseño en bases de datos
Published	09/09/2024	BDD Diseño: Entidades.
Published	09/09/2024	BDD Diseño: Atributos.
Published	09/09/2024	BDD Diseño: Relacion.
Published	09/09/2024	Diseño conceptual de la BD
Published	09/09/2024	Relaciones binarias X a 0 o 1
Published	09/09/2024	Relaciones binarias X a 1 estricto
Published	09/09/2024	BDD: Jerarquia de clases.
Published	09/09/2024	Jerarquia de clases: Solapamiento
Published	09/09/2024	Jerarquia de clases: Cobertura
Published	09/09/2024	Entidades Débiles
Published	09/09/2024	Entidades Débiles en diagramas.
Published	09/09/2024	Agregacion de entidades.
Published	09/09/2024	Llaves Foráneas
Published	09/11/2024	SQL: Consulta normal
Published	09/11/2024	SQL: Operador Between.
Published	09/11/2024	SQL: Obtener similar
Published	09/11/2024	SQL: Consulta con union
Published	09/11/2024	SQL: Consulta con interseccion
Published	09/11/2024	SQL: Fechas
Published	09/11/2024	SQL: Contar
Published	09/11/2024	SQL: Contar distintas instancias de un atributo
Published	09/11/2024	SQL: Contar con respecto a un atributo
Published	09/11/2024	SQL: Maximo o Minimo de un Atributo
Published	09/11/2024	SQL: Consulta con Orden
Published	09/11/2024	SQL: Consulta con Diferencia
Published	09/11/2024	SQL: Utilidades Consultas anidadas
Published	09/11/2024	SQL: Consultas con nulos
Published	09/11/2024	Etapas de diseño en bases de datos
Status	Last Update	Fields