Questions from Database Management

Q: Choose Oracle data types for the attributes in the normalized relations in

Choose Oracle data types for the attributes in the normalized relations in the middle panel of Figure 8-4.

Q: Choose Oracle data types for the attributes in the normalized relations that

Choose Oracle data types for the attributes in the normalized relations that you created in Problem and Exercise 4-47 in Chapter 4. Data from Problem and Exercise 4-47: Figure includes an EER diagram...

Q: Explain in your own words what the precision (p) and

Explain in your own words what the precision (p) and scale (s) parameters for the Oracle data type NUMBER mean.

Q: Say that you are interested in storing the numeric value 3,

Say that you are interested in storing the numeric value 3,456,349.2334. What will be stored with each of the following Oracle data types? a. NUMBER(11) b. NUMBER(11,1) c. NUMBER(11,-2) d. NUMBER(11,6...

Q: In a normalized database, all customer information is stored in a

In a normalized database, all customer information is stored in a Customer table, invoices are stored in an Invoice table, and related account manager information in an Employee table. Suppose a custo...

Q: When students fill out forms for admission to various courses or to

When students fill out forms for admission to various courses or to write their exams, they leave many missing values. This may lead to issues while compiling data. Can this be handled at the data cap...

Q: Consider the following normalized relations from a database in a large retail

Consider the following normalized relations from a database in a large retail chain: STORE (StoreID, Region, ManagerID, SquareFeet) EMPLOYEE (EmployeeID, WhereWork, EmployeeName, EmployeeAddress) DEPA...

Q: Consider the following set of normalized relations from a database used by

Consider the following set of normalized relations from a database used by a mobile service provide to keep track of its users and advertiser customers. USER(UserID, UserLName, UserFName, UserEmail, U...

Q: On a smaller scale than in Field Exercise 7-25,

On a smaller scale than in Field Exercise 7-25, investigate the computing architecture of a department within your university. Try to find out how well the current system is meeting the department’s i...

Q: Consider the relations in Problem and Exercise 8-51. Identify

Consider the relations in Problem and Exercise 8-51. Identify possible opportunities for denormalizing these relations as part of the physical design of the database. Which ones would you be most like...