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1. Modify the database by adding an additional column ("Deleted_Date") to those tables that represent entities that could contain data which can be deleted and justify your rationale in a short paragraph. In addition, explain what the tradeoffs are in using a marker-column for deletion, as opposed to actually deleting a row from a table?
2. Design a database prototype that comprises diagrams, data dictionary, design decisions, limitations, etc. The database should consist of at least four tables, two different user roles, and two reports.
Database Proposal Below
Pharmacy Designating DatabaseThe intent of this Database Design Proposal is to design and develop a database that will describe, compile, and designate the location of the medications ordered. Medications are ordered 24/7 in the hospital for the inpatients and yet the medications ordered are not making it to the patient. The medications seem to be lost or else simply missing from the floor. The nurses have several places to look for their patients' medications, but stay confused about where each medication is kept. Scheming a designating database would list the description of where the medication is kept on each floor or if it will come from pharmacy.
Construct a scenario leading to the worst-case performance of the FIFO buffer replacement policy - determine if it is conflict serializable or not
Briefly explain the ARIES recovery algorithm, including the main phases, main principles and key ideas behind the algorithm such as WAL protocol and checkpointing etc.
There are six major types of information systems which organisations use in their operations. Discuss how these information systems support managers in their decision making role Explain the datawarehouse and data mining concepts using appropria..
Use Microsoft Access to develop preliminary (no keys and no relationships) database tables for Huffman Trucking Driver Log.
You have been given the following specifications of a simple database for a netball association that keeps record of players, teams and matches.
Populate your database with at least 3 rows of data and import your IDEF1X diagram into Oracle and create the appropriate tables and relationships.
determine the functional dependencies that exist in the following table. After determining the functional dependencies, convert this table to an equivalent collection of tables.
Evaluate the success WellCo and PharmaCARE shareholders
Write a function 'Max' that takes an int array and the size of the array as input and returns the largest element of the array. The function should look like the following.
Write the functional dependencies in the following table that concerns invoicing (an application Premiere Products in considering adding to its database), subject to the specified conditions.
E-R diagram - Basic Entity Relationship Diagram Colleges and universities must draw a clear connection between the requirements of the field for which the student is being prepared and the things required of the student as part of that preparation pr..
Write an application that creates a database named PhoneBook. The database should have a table named Entries, with columns for a person's name and phone number. Next, write an application that lets the user add rows to the Entries table,
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