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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.
Implement that entity as a database table with two subtypes, Games and Movie.
Data processing needs taking or receiving the data from a source and doing something with it. The same can be said about the transaction processing. When working along with a file, whether it be a fixed length.
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
Explain the information-gathering techniques and design methods you would suggest to use for project. Recognize the key factors that help ensure the information required for the project.
Explain why data flow diagrams are developed in a hierarchy? What are the names of some levels in the hierarchy?
Draw an Entity Relationship diagram for the system and Identify the table design for the database displaying all the fields/attributes. Ensure that all tables are in 3NF. You also need to identify the primary keys and foreign keys, where applicable..
What are the functional dependencies among the data represented in this first normal form relation?
Several times, database triggers are utilized to record logins by users. Here is the example of login trigger that inserts row into table every time a user connects.
You have probably seen that already when you tried to create an E-R diagram. Visio uses notation and graphical shapes that are not the same as those in your text. If you look at some of the links to schemas, you will see a similar sort of thing.
What is meant by a weak relationship? Provide an example. What is meant by weak entity? What do you understand by relationship degree?
In talking about database security, some aspects to regard as are Data Integrity, Confidentiality, and Malicious Activity. Illustrate how does database security relate to data integrity?
MCIS 630 Database Systems: - Write a recursive SQL query that outputs the names of all subparts of the part with part-id “P- 100”.
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