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CIS 330: Applied Database Systems Lecture 7: Technologies at the Three Tiers Alan Demers ademers cs

CIS 330: Applied Database Systems Lecture 7: Technologies at the Three Tiers Alan Demers ademers cs 2026

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The document is a lecture on Applied Database Systems, focusing on Internet technologies across three tiers. It covers key concepts such as URIs, the HTTP protocol, and the presentation layer including HTML, forms, cookies, and JavaScript. The lecture explains the structure of client requests and server responses in HTTP, differences between HTTP versions 1.0 and 1.1, and introduces web data formats like HTML and XML. Additionally, it discusses form handling in web applications, including various input types and validation methods, as well as the use of cookies for tracking user sessions.

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Click 'Get Form' to open it in the editor.
Begin by reviewing the overview section, which outlines key topics such as Internet concepts and the presentation layer. Familiarize yourself with these components to understand the context of the form.
Fill in any required fields related to your understanding of URIs and HTTP protocols. Ensure you provide accurate information based on your knowledge from the lecture.
Utilize text boxes for inputting detailed explanations or examples, especially when discussing HTML forms and their attributes.
If applicable, use checkboxes or radio buttons for selecting options related to technologies discussed in the lecture, ensuring clarity in your choices.
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What is the most popular form of database today?

Oracle Database: One of the most widely used enterprise-grade RDBMSs, providing high availability and security for large organizations. Microsoft SQL Server: A relational database management system that integrates seamlessly with other Microsoft products, making it popular in business environments.

What are the three main database models?

There are 3 common types of data models: relational, hierarchical, and network database.

Which database model is the most widely used today?

The relational database model is the most used database model today. However, other database models exist with different strengths. The hierarchical database model, popular in the 1960s and 1970s, connected data together in a hierarchy, allowing for a parent/child relationship between data.

What are the three main types of database systems?

How Many Types of Databases Are There? Hierarchical Databases. Developed in the 1960s, the hierarchical database looks similar to a family tree. Relational Databases. Relational databases are a system designed in the 1970s. Non-Relational Databases. Object oriented databases.

What are the three types of data models used today?

The three primary data model types are relational, dimensional, and entity-relationship (E-R). There are also several others that are not in general use, including hierarchical, network, object-oriented, and multi-value.

What are the three database models which is the most popular today?

Types of database models Some of the most common ones include: Hierarchical database model. Relational model. Network model.