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Q1) What is meant by the cardinality of a relationship? Your answer needs to be thorough and specific. Be sure to include the two types of cardinality and also include the four possible primary relationship cardinalities.
Create a report which identifies five most expensive bicycles. The report must list bicycles in descending order from most expensive to lease expensive, the quantity on hand for each, and the markup percentage for each.
However, the only way you can access values is through queries to the databases. In single query, you can specify value k to one of two databases.
At this point in the design process, you would have a detailed physical schema created for a database. How would you approach converting your schema into a database, complete with sample data? Explain your approach in two to three paragraphs.
Monitor Renal Outcomes in patients post cardiac bypass surgery?
Suppose a database has tables given below. Write the names and e-mail addresses for all customers who have had stove repair which cost more than $50.
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.
Identify the business processes which would be evaluated and tracked with a DW/BI application and state your reasoning or justification for including these in the DW/BI.
You have a company, specializing in managing technology solutions. you have ben just hired by big firm to execute a well-planned strategy.
Write down the SQL code in order to carrying out the following requests. Display all the data in each of the four tables. Do not display the foreign key columns.
How many entities are shown by this relation?
Create ERD containing Order and Customer entity types connected by 1-M relationship from Customer to Order. Select suiatble relationship name using your common knowledge of intersection.
Produce a scatterplot of Rent vs. Size (square meters of the apartment) for the rental data in rent.
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