Multiple choice questions

Need answers to multiple choice practice test so that I can compare my answers. This is not a graded project. --- 1. What is the best way to store an individual's name in a table? (Points: 2) As three separate fields for first name, last name, and middle initial As two fields, one for the last name, and o ...continues

Traditional Databases

Describe how you would follow the three phases of the traditional database design method, considering the following scenario. Feel free to make some assumptions and/or sample data to complete the process. Be sure to detail all your answers. Fernando Culebra has always been fascinated by skateboards. Fernando has won several c ...continues

Trigger in Oracle

Trigger for comparing an employee's salary with that his or her supervisor. Explain why this Trigger is not work. CREATE TRIGGER INFORM_SUPERVISOR1 BEFORE INSERT OR UPDATE OF SALARY, SUPERVISOR_SSN ON EMPLOYEE FOR EACH ROW WHEN (NEW.SALARY > (SELECT SALARY FROM EMPLOYEE WHERE SSN=NEW.SUPERVISOR_SSN)) ...continues

Primary Keys

Read the article http://www.orafaq.com/articles/archives/000031.htm then answer the following questions: 1. Post a summary of the essential points in the article. 2. The author discusses "...three fundamental demands on the candidate keys that we must never deviate from, if it is to become the subject for a primary key." D ...continues

Give examples of the following Database relationships: one-to-one one-to-many many-to-many

Look for an example of a one-to-one relationship, an example of a one-to-many relationship, and an example of a many-to-many relationship in a newspaper, magazine, book, or everyday situation you encounter. For each one, name the entities.

What is the primary key in this problem and the dependencies? I am trying to normalise the database.

The following business rules form the basis of the database design. · A member receives many invitations, and each invitation is sent to many members. · An invitation may be sent to different members on different dates. The date a member accepts an invitation is recorded. · Each invitation i ...continues

Relational Database concepts like Primary Key identication, Foreign Key identification, etc.

A1. Use the following partial database tables to answer the required questions below: Cash Table___________________________________________________________ Cash #________________ Type of Account_______________Bank Name____ 110146758 Regular Checking North First 1203948102 Payroll Checking Account Credi ...continues

Database Concepts and Modeling

Discuss why a company or organization would migrate to a relational database architecture from a network or hierarchical architecture. What are some of the factors that should be considered when transferring data from one database architecture to another?

Implement the spreadsheet in the MS access and list all assumptions and functional dependencies

(See attached file for full problem description) --- Implement the database in MS access with Relationships, tables, keys, indexes and a view(query) that duplicated the spreadsheet and list all functional dependencies and assumptions used to design and implement the database. ---

What is SQL, differences in SQL implementations?

What is SQL? Who owns SQL? What are some of the differences in the SQL supported by RDBMS vendors? I need to really understand these topics, so easy to read in depth explanations would be great. Thank you.