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Using these kinds of entities found in Alexamara Marina Group database (marinas, owners, boat slips, categories, and service requests) prepare the example of table which is in first normal form but not in second normal form and example of a table which is in second normal form but not in third normal form.
Understand and interpret a set of business rules for a database and create an Enhanced Entity Relationship Diagram that models the requirements accurately
When increasing cardinalities from 1:N to N:M, which of the given steps are included in process the order of steps listed below is not relevant, only steps themselves?
For each table argue whether or not interference with another transaction is possible. Illustrate concurrency control method using two phase locking.
You have a company, specializing in managing technology solutions. you have ben just hired by big firm to execute a well-planned strategy.
Create a table (by your own imagination) which comprises the least 25 patients with next information (columns): Calculate average of Value1 for each Gender.
What rules would have to be enforced based on entity type? Choose one entity type and discuss what enforcement is needed by the database or application.
Compute the functional dependencies which exist in following table. After determining the functional dependencies, transform this table to an equivalent collection of the tables which are in third normal form.
Describe the entity-relationship model. How are entities, relationships, and attributes represented in this model? What is a composite entity? Describe the approach to diagrams that uses a crow's foot.
Mark the following words in the document as index entries: behavior (four instances), favorable (five instances), and impression (eight instances).
Consider system which produces budget reports for department at university. For whichever system you select, answer the following design questions. Who will use output?
Explain why data flow diagrams are developed in a hierarchy? What are the names of some levels in the hierarchy?
Consider the relational database described in Problem Give expressions in tuple relational calculus and domain relational calculus for each of the following queries: Find all the companies that have offices in all the cities in which company C2..
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