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We are operating on relational databases.
Databases are classified according to their function (i.e. what they do) and they are classified according to their structure (i.e. the
way they save and organize the data).
What other kinds of databases exist?
Why have relational databases replaced the other types of databases?
A primary key can be computer generated. consists of one field only that uniquely identifies each record in a table. is a relationship between two or more tables. All of the above.
The ASN database and Web site were created and are maintained by two individuals. The database might be complete and accurate, or it might not be. To what extent should you rely on these data?
identify and explain the differences between a stack and a queue data structure and provide examples of the basic
What is the purpose of the Children's Online Privacy Protection Act and What are the two principal purposes of the Genetic Information Nondiscrimination Act?
Draw an Entity-Relationship diagram for this database using UML notation. Be sure to include all the entities mentioned above, together with attributes (including primary key attributes).
altitude online is staff are beginning to prepare their databases for conversion to an erp system. each altitude online
Create a sequence and a communication diagram for each scenario of each use case identified in the functional model. Create a behavioral state machine for each of the complex classes in the class diagram
Create a few queries that allow you to practice concepts from the Lab. Please, don't simply post queries from this week's lab assignment! Post a screenshot of the query design and the results set in a Word document.
Write a program that keeps an employee database in a random-access file. Implement functions for adding and removing employees. You need not keep employees in sorted order.
Prepare an entity relationship diagram which models your proposed design. Write the SQL statements to create the database tables, relationships and populate each table with at least 10 records per table, where applicable
chris and pat aquino own a successful isp internet service provider and want to expand their business to host an
SQL implements VPD using the VIEW object while Oracle10g provides specific functions for row-level security and fine-grained access.
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