Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
You group has been hired by TrainingrUs.com to keeps track of training revenues. TrainingrUS.com wants you to keep scheduling.
COURSE table contains following information:
Note: Primary Key (PK) is COURSE ID
Identify FK, if any
TRAINEE table contains following information:
Note: PK is (Trainee ID, Course_ID)
Training session signed for is the same as Course ID in COURSE table
Following sample data is available:
COURSE Sample data
Course ID
Price ($)
Instructor Name
Instructor Address
S111
2850
Harry
UB
S121
3200
Polly
S145
1200
Smith
Loyola
H111
500
Morton
JHU
H123
2200
David
TRAINEE sample data
Trainee ID
Course_ID
Trainee Name
Date of training
A101
Sam Paper
10/02/2009
Sam paper
10/03/2009
A110
Mary Poppins
11/01/2009
B112
Alex Johnson
11/02/2009
11/06/2009
B222
John Watt
10/01/2009
10/05/2009
C111
Jong Chu
F456
Jerry Long
11/08/2009
F555
Willy Polk
X123
Shirley Dent
PART A:
Table 1 (identify PK and FK relationships)
Table Name
COURSE
TRAINING
Primary Key (PK)
Foreign Key (FK)
Submit this table as Part A (section 2) requirement to be submitted see below
PART B:
Develop the following queries in ACCESS and run (execute) them
1. List the course ID and its cost, format the output appropriately.2. Give the trainee name and the number of classes each trainee is taking.3. How many trainees are taking classes on November 6th? (Give a count)4. Give the training sessions and their dates (make sure there is no repetition of session and corresponding date).5. How many students are registered per training section?6. How many courses are there?7. How many classes John Watt is taking?8. Give the total amount paid by Willy Polk9. Give the names of instructors teaching on November 6th
What are wait-for-graphs?Give the algorithm to construct a wait-for-graph from a given schedule of transactions? How can deadlocks be detected from wait-for-graphs? Ans: The
Partial Key : It is a group of attributes that can uniquely identify small entities and that are related to same base entity. It is sometime named as Discriminator. Altern
1. Define each of the following IN YOUR OWN WORDS: (a) File: (b) Record: (c) Field: (d) Primary Key: (e) Secondary Key: 2. A travel agency wants t
find a name whose address is erode from student table
About Attribute inheritance
Question : (a) Differentiate between database integrity and database security (b) Database security involves measures to avoid loss of privacy and loss of confidentiality. D
Replication : It is definite as a copy of a relation. Every replica is stored at a dissimilar site. The alternative to replication is to store only single copy of a relation which
create an e-r diagram usuing graphical dipicted software that could theoritically be used in resturant application
FDs in Relationships: Enrols Relationship: None as it is many to many Teaches Relationship : Course code → Instructor Instructor → Course code The next question is:
Question 1 Discuss the classification of DBMS based on location of database Question 2 Explain with examples different SQL commands used for creating and deleting relations.
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd