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Write a procedure named Get_frequencies that constructs a character frequency table. Input to the procedure should be a pointer to a string, and a pointer to an array of 256 doublewords. Each array position is indexed by its corresponding ASCII code. When the procedure returns, each entry in the array contains a count of how many times that character occurred in the string. Include the source code only.
Explain the use of facts, dimensions and attributes in a star schema model. Explain the use of facts, dimensions and attributes in a star schema model.
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.
What is Recovering a database via rollforward? What is aim of transaction log? What is contained in transaction log?
Monitor Renal Outcomes in patients post cardiac bypass surgery?
Explain what is the purpose of Database? The purpose of a database is to store information about certain types of objects. Give an example of two related TABLES.
Suppose we are to design a registrar's database to store information about students, courses, the courses students have taken. Convert the E/R diagram into a relational schema.
Database designers stated following dimension of "miniworld"- to be represented in Company Supplier-Part database: company is organized into departments. Each department has unique name, unique number.
There are many kinds of relationships in a design model of a database. Why is it important to classify each of these types in an ERD Model?
You have been asked to develop a database utilizing only the written problem description given by the client. In reviewing the description.
Create a data warehouse for electronics store chain. The chain has 20 stores in 5 cities. Each store has different sections including computers, DVDs, TVs, audio, home appliances etc.
What is meant by cardinality of a relationship? Your answer requires to be thorough and specific. Be sure to include the two types of cardinality
Write a query to determine the cost of the least expensive part in the part table? Format the returned price in dollars and cents using the correct function.
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