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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.
You are interested in analyzing some hard-to-obtain data from two separate databases. Each database contains n numerical values.
The third project involves writing the semantic analyzer for the compiler that was begun in the previous projects. To simplify the semantic error checking, you are to remove the ability to have multiple functions from the grammar and the ability t..
What is Recovering a database via rollforward? What is aim of transaction log? What is contained in transaction log?
It is not uncommon to have to access the data which reside in different tables, especially when formulating a report.
However, the only way you can access values is through queries to the databases. In single query, you can specify value k to one of two databases.
Find all Governors General of Australia who were Barons at the time of their appointment. List them by Title and name and date that they were appointed to the position. Order the list by ascending date of appointment.
The system has to be Web-based system using Design interface of the system using visual basic.
A database at a college is required to support the following requirements. Complete the information-level design for this set of requirements. Determine any constraints you need that are not stated in the problem.
Build an entity relationship model for the above scenario. Show all attributes and indicate all of your key attributes in red.
Pick one of the different types of SQL statements (data definition language, data manipulation language, or data control language). Describe how that type of statement is use.
What are some suggestions as to how to track down offenders of these crimes you've identified - Computer crime has become a serious matter
Design an ER diagram to capture the requirements. State any assumptions you have that affects your design and three-level schema architecture for the Gyan Gurukul Company that provide better security also design a data abstraction for his client ka..
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