Answer the following questions based on the following Super Baseball League data. a. Regarding the Super Baseball
Question:
Answer the following questions based on the following Super Baseball League data.
a. Regarding the Super Baseball League Player file shown below.
i. Describe the file’s record type.
ii. Show a record occurrence.
iii. Describe the set or range of values that the Player Number field can take.
b. Assume that the records of the Player file are physically stored in the order shown.
i. Retrieve all of the records of the file physically sequentially.
ii. Retrieve all of the records of the file logically sequentially based on the Player Name field.
iii. Retrieve all of the records of the file logically sequentially based on the Player Number field.
iv. Retrieve all of the records of the file logically sequentially based on the Team Number field.
v. Perform a direct retrieval of the records with a Player Number field value of 3834.
vi. Perform a direct retrieval of the records with a Team Number field value of 20.
vii. Perform a direct retrieval of the records with an Age field value of 24.
c. The value 294 appears as a team number once in the Team file and three times in the Player file. Does this constitute data redundancy? Explain.
d. Merge the Team and Player files based on the common Team Number field (in a manner similar to Figure 3.8 for the General Hardware database).
Is the merged file an improvement over the two separate tables in terms of:
i. Data redundancy? Explain.
ii. Data integration? Explain.
e. Explain why the Team Number field is in the Player file.
f. Explain why team number 422 appears twice in the Player file.
g. How many files must be accessed to find:
i. The age of player number 1953?
ii. The name of the team on which player number 2288 plays?
iii. The number of the team on which player number 2288 plays?
h. Describe the procedure for finding the name of the city in which player number 3002 is based.
i. What is the mechanism for recording the one-tomany relationship between players and teams in the Super Baseball League database, above?
Step by Step Answer:
Fundamentals Of Database Management Systems
ISBN: 9780470624708
2nd Edition
Authors: Mark L. Gillenson