|
|
Authorized user can see question and answers. Please log in or sign up. 
|
#1. You are the database developer for a leasing company. Your leasing database includes a lessee table that is defined as follows: CREATE TABLE lessee ( Id int IDENTITY NOT NULL, CONSTRAINT pk_lesse_id PRIMARY KEY NOT NULL Surname varchar(50) NOT NULL, FirstName varchar(50) NOT NULL, SocialSecurityNo char(9) NOT NULL, CreditRating char(10) NULL, Creditlimit money NULL ) Each SocialSecurityNo must be unique. You want the data to be physically stored in order by SocialSecurityNo. What constraint should you add to the SocialSecurity? No column on the lessee table.
Show comments for this question (0)
Add comments
Link to this question
|
|
#6. You are building a database for the HR department of your company. You want to eliminate duplicate entry & minimize data storage wherever possible. You want to track the following information for each employee: First Name, Middle Name, Last Name, Employee Identity No, Address, Date of Hire, Department, Salary, Name of Manager. Which table you use?
Show comments for this question (0)
Add comments
Link to this question
|
|
|
|
gen. 0.205
|
Server date 10:19 22-11-2008
|
Developed by Zip © 2006
|
|
 |
|
|