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Personnel Database Creator
Write an application that creates a database named Personnel. The database should have a table named Employee, with columns for employee ID, named position, and hourly pay rate. The employee ID should be the primary key.Insert at least five sample rows of data into the Employee table.
Employee Inserter
Write a GUI application that allows the user to add new employee to the Personnel database you created in Programming Challenges 3.
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..
determine the functional dependencies that exist in the following table. After determining the functional dependencies, convert this table to an equivalent collection of tables.
Proceed with all steps in information-level design to add this user view to existing cumulative design. Is this table in1st NF?___No____ . If Yes skip. If not, write Table in DBDL notation after applying the methodology we use for converting into 1NF..
Find the average number of books borrowed per member. Take into account that if a member does not borrow any books, then that member does not appear in the borrowed relation at all.
Develop a view named OrdTot. It comprises the order number and order total for each order presently on file. (Order total is sum of the number ordered multiplied by quoted price.
Design a scheme for determining exactly which one of the wine bottles was poisoned in just one month's time while expending O(logn) taste testers.
List the students ID, name, GPA, and course Number such that all students have GPA greater than 3 . 5 and enrolled in a course in Jan 1, 2011. Find the names of all students who have GPA greater than 3.
What is lock granularity? Explain the use of BEGIN, COMMIT, and ROLLBACK TRANSACTION statements. Explain the meaning of expression ACID transaction.
Create a state transition diagram that describes typical student states and how they change based on specific actions and events.
Understand and interpret a set of business rules for a database and create an Enhanced Entity Relationship Diagram that models the requirements accurately
Convert the table to 3NF. Represent your answer in DBDL. (i.e. Give table name and fields. Underline the primary key. Draw an entity-relationship diagram showing all relationships.)
Controls which need a database to either execute transaction completely or not at all.
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