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
Define the phases of two phase locking protocol Growing phase: a transaction may get locks but not release any lock. Shrinking phase: a transaction might be release locks bu
Define a relation ? Relation - A relations is a named two-dimensional table of data. Mathematically, a relation can be described as a subset of the cartesian product of a lis
Define check point and its impact on data base recovery. Ans: There could be hundreds of transactions handled per minute, in a large on-line database system.
Explain mechanism of nested queries? SQL gives a mechanism for nesting subqueries. A subquery is a select from where expression that is nested within one more query. A common u
Examples:- Hierarchical Model: It tells data as and relationships by hierarchy of data values. Figure illustrates an example of hierarchical model. Now a day's these models are
how to make an e r diagram?
Data Scrubbing 70,000 records Project Description: We need services of a developer competent in data cleansing/Data scrubbing. Scope: - 70,000 records in CSV format.
List some security violations (or) name any forms of malicious access. A) Unauthorized reading of data B) Unauthorized modification of data C) Unauthorized destruction of
tell me the functionality,advantages and disadvantages of student database
Desirable Properties Of Decomposition Decomposition is a process of dividing a relation into its projections that will not be disjoint. Please remind the Relational projection
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