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Database systems design implementation & management pdf

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Full file at soundofheaven.info -Managementth-Edition-Coronel-Test-Bank CHAPTER 2: DATA MODELS 1. Database Systems: Design, Implementation, and Management (The Wadsworth Series in Management Information Systems) · Read more. Database Systems: Design, Implementation, and Management, Eighth Edition by Peter Rob Chapter Distributed Database Management Systems. Chapter Students can view a PDF file of the glossary from the book.

Upcoming SlideShare. Data Modeling and Data Models 5. Show related SlideShares at end. A n in a hierarchical model is the equivalent of a record in a file system. Download Free Database Systems: If you continue browsing the site, you agree to the use of cookies on this website. Full description https:

Data Model Basic Building Blocks A n represents a particular type of object in the real world. A n is the equivalent of a field in a file system.

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A n is bidirectional. A n is a restriction placed on the data.

Attributes b. Entities c. Relationships d. Students and classes have a relationship.

Which of the following is true of business rules? They allow the designer to set company policies with regard to data. They allow the designer to develop business processes.

They can serve as a communication tool between the users and designers. A noun in a business rule translates to a n in the data model.

A verb associating two nouns in a business rule translates to a n in the data model. In the model, the basic logical structure is represented as an upside-down tree. In the model, each parent can have many children, but each child has only one parent.

The hierarchical data model was developed in the. In the model, the user perceives the database as a collection of records in 1: M relationships, where each record can have more than one parent.

Design implementation management & database pdf systems

The object-oriented data model was developed in the a. Oracle 11g is an example of the. MySQL is an example of the. The Evolution of Data Models Relationship. A n enables a database administrator to describe schema components. The relational data model was developed in the.

The model was developed to allow designers to use a graphical tool to examine structures rather than describing them with text.

Database Systems Design Implementation Management Books

The model uses the term connectivity to label the relationship types. The data model is said to be a semantic data model.

The data model uses the concept of inheritance. Which of the following types of HDFS nodes stores all the metadata about a file system? Data node b. Client node c. Name node d. Which of the following is true of NoSQL databases? They do not support distributed database architectures. They are not based on the relational model. They are geared toward transaction consistency rather d.

They do not support very large amounts of than performance. NoSQL databases: Which of the following is a disadvantage of the hierarchical data model?

Database Systems: Design, Implementation, and Management

It does not promote data sharing. It is not efficient with 1: M relationships. It does not promote data integrity. It does not have standards.

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One of the limitations of the model is that there is a lack of standards. An internal refers to a specific representation of an internal model, using the database constructs supported by the chosen database.

A n is a relatively simple representation of more complex real-world data structures. Why not share! An annual anal Embed Size px. Start on. Show related SlideShares at end. WordPress Shortcode. Published in: Full Name Comment goes here.

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Database Systems: Design, Implementation, Management [PDF]

Show related SlideShares at end. WordPress Shortcode. Published in: Full Name Comment goes here. Are you sure you want to Yes No. Be the first to like this. No Downloads. Views Total views. Actions Shares. Embeds 0 No embeds. No notes for slide. Book details Author: Carlos Coronel Pages: