My name is Michael Philip Soler Velasco, I am 17 years old, c level contact list I live in Suba and I am a Systems student at the Instituto Técnico Central Technological School. DATABASES
11/13/2014 Comment
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Goals
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1. Presentation 2. Introduction 3. Databases 4. Types of databases 5. Database models 6. Parts of a database 7. Tables, Reports, Queries and Forms
8. Bibliography My name is Michael Philip Soler Velasco, I am 17 years old, I live in Suba and I am a Systems student at the Instituto Técnico Central Technological School.2. Introduction
The following blog is in to present most of the things that have to do with the topic and to teach the type of databases
2. Databases
A database or data bank is a set of data belonging most popular useful email marketing blogs to follow the same context stor systematically for later use. In this sense, a library can be considered a database composed mostly of documents and texts printed on paper and indexed for consultation. Currently, and due to the technological development of fields such as computer science and electronics , most databases are in electronic format, which offers a wide range of solutions to the problem of storing data.
In computer science, there are database management systems (DBMS), which allow data to be stored and subsequently accessed in a fast and structured manner. The properties of database management systems are studied in computer science.
3. Database Models
1. Hierarchical databases
In a hierarchical database, whatsapp number database data is organized using tree structures.
A TREE is a hierarchical structure in which elements are usually called NODES and there are dependencies between nodes.
The dependency is 1:M of the parent/child type. A child cannot have more than one parent, but a parent can have several childr.
2. Network databases Also no longer in use, a network database uses the graph/network structure. As in the previous case, the different objects are related to each other by means of type relationships, but in this case an object can be relat as a child to several elements that will be its parents. In this case,
