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1. Review the Personal Trainer fact-finding summary in Chapter 4 and draw an ERD with cardinality notation. Assume that system entities include members, activities and services, and fitness instructors.
2. Design tables in 3NF. As you create the database, include various codes for at least three of the fields.
3. Use sample data to populate the fields for at least three records in each table.
4. Recommend a date format for the new system. Should Personal Trainer adopt a single international standard, or should the format be determined by the country in which the center is located? Write a message to Susan with your recommendations.
Its a lead a project that will implement a new learning management system for your university. You have two key tasks: Task 1: Investigate learning management software packages that are available through application service providers.
Explain the content of this document in natural language;Design the graph representation of document;
Create an entity-relationship diagram and design accompanying table layout using sound relational modeling practices and concepts.
Draw an ER diagram for your database scenario. Design a set of 3NF tables for your database scenario.
Illustrate relational algebra expressions for names of all salespeople, names of all salespeople having ORDER row and names of salespeople not having ORDER row.
Explain how much the modulating signal power is required to generate 100 percent modulation? What is the approximate center frequency of filter required to pass the lower sideband?
creating database structure using SQL
Can Oracle have multiple group functions in the same SELECT list of query (i.e can we do a COUNT and AVG)? Let us assume we wanted to find lowest, highest, average.
Course: data mining. Require a 7 page essay on subjects: Warehouse Architectures: the paper requires to contain information about centralized, federated, and tiered data warehouse.
Write a Assignment to study and modify the PostgreSQL source code, with a focus on one of the core modules - the buffer manager
Is software measurement equivalent to software metrics? What makes them different?
List the sequence of relational algebra operations needed to implement the queries.
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