Name the candidate keys in the following table: Student L number Student_Name Student SS Number Student Address Student City Student_State LO005485 Leigh 811-47-4449 5744 KENSINGTON Ave. Boston MD LO004812 Tammy 441-79-7448 30936 OAK Alley Colorado Springs TX LO004415 Alfredo 375-78-2633 5115 BOWEN St. Kansas City VT LO003478 Ramona 360-82-2835 5097 HUBBARD LOWER Blvd. Miami PA LO003058 Crystal 528-16-2635 73192 RANDOLPH SUB Dr. Riverside MD LO004588 Angie 765-16-4433 5115 GROVELAND PARK Dr. Cincinnati FL LO005484 Tonya 410-76-3632 5115 BISHOP FORD Blvd. Irving MS LO003161 Preston 451-47-2634 95289 MONROE Ave. Boston NC

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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## Candidate Keys Identification

In the following table, identify the candidate keys:

| Student_L_number | Student_Name | Student_SS_Number | Student_Address         | Student_City       | Student_State |
|------------------|--------------|-------------------|-------------------------|--------------------|---------------|
| L0005485         | Leigh        | 811-47-4449       | 5744 KENSINGTON Ave.    | Boston             | MD            |
| L0004812         | Tammy        | 441-79-7448       | 30936 OAK Alley         | Colorado Springs   | TX            |
| L0004415         | Alfredo      | 375-78-2633       | 5115 BOWEN St.          | Kansas City        | VT            |
| L0003478         | Ramona       | 360-82-2835       | 5097 HUBBARD LOWER Blvd.| Miami              | PA            |
| L0003058         | Crystal      | 528-16-2635       | 73192 RANDOLPH SUB Dr.  | Riverside          | MD            |
| L0004588         | Angie        | 765-16-4433       | 5115 GROVELAND PARK Dr. | Cincinnati         | FL            |
| L0005484         | Tonya        | 410-76-3632       | 5115 BISHOP FORD Blvd.  | Irving             | MS            |
| L0003161         | Preston      | 451-47-2634       | 95289 MONROE Ave.       | Boston             | NC            |

### Explanation:
A candidate key is a set of attributes that uniquely identifies tuples in a table. In this context, likely candidate keys are:

- **Student_L_number**: Appears to be unique for each student.
- **Student_SS_Number**: A social security number is also likely unique to each student.

Consider these fields as potential candidates, subject to validation of their uniqueness.
Transcribed Image Text:## Candidate Keys Identification In the following table, identify the candidate keys: | Student_L_number | Student_Name | Student_SS_Number | Student_Address | Student_City | Student_State | |------------------|--------------|-------------------|-------------------------|--------------------|---------------| | L0005485 | Leigh | 811-47-4449 | 5744 KENSINGTON Ave. | Boston | MD | | L0004812 | Tammy | 441-79-7448 | 30936 OAK Alley | Colorado Springs | TX | | L0004415 | Alfredo | 375-78-2633 | 5115 BOWEN St. | Kansas City | VT | | L0003478 | Ramona | 360-82-2835 | 5097 HUBBARD LOWER Blvd.| Miami | PA | | L0003058 | Crystal | 528-16-2635 | 73192 RANDOLPH SUB Dr. | Riverside | MD | | L0004588 | Angie | 765-16-4433 | 5115 GROVELAND PARK Dr. | Cincinnati | FL | | L0005484 | Tonya | 410-76-3632 | 5115 BISHOP FORD Blvd. | Irving | MS | | L0003161 | Preston | 451-47-2634 | 95289 MONROE Ave. | Boston | NC | ### Explanation: A candidate key is a set of attributes that uniquely identifies tuples in a table. In this context, likely candidate keys are: - **Student_L_number**: Appears to be unique for each student. - **Student_SS_Number**: A social security number is also likely unique to each student. Consider these fields as potential candidates, subject to validation of their uniqueness.
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a candidate key is a super key which has no redundant attribute.

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