Consider the relation Proj as defined in the worksheets. What is the result of running the...
Consider the relation Proj as defined in the worksheets. What is the result of running the following query?
SELECT p1.projname, COUNT(p2.projname) as count FROM Proj p1 LEFT JOIN Proj p2 on p1.projno = p2.majproj GROUP BY p1.projname ORDER BY count DESC;
| 1. |
The query returns the number of sub-projects that each project has. |
|
| 2. |
The query returns all of the projects that have sub-projects, and the number of sub-projects that they have. |
|
| 3. |
The query shows each main project and their sub-projects. |
|
| 4. |
The query returns an error, or at best an empty table. |
Homework Answers
2)
|
The query returns all of the projects that have sub-projects, and the number of sub-projects that they have. |
Add Answer to:
Consider the relation Proj as defined in the worksheets. What is
the result of running the...
Need help with Questions 6-8 specifically number 8. Here is what I've got for question 4...
Need help with Questions 6-8 specifically number
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Here is what I've got for question 4 which needs to be modified
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This is what I got so far for questions 6-8
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Need help with Questions 6-8 specifically number
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Here is what I've got for question 4 which needs to be modified
to answer question 8.
This is what I got so far for questions 6-8
Please help me modify 8. Also do note that the first
statement is 6 then the second is 7 and the last statement that is
highlighted is question 8 in the following screencap:
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2. Part 2 Given a set of tables with their content (tuples/rows), show what would be retrieved if the given SQL queries were issued Consider tables, of a Supplier-Parts DB, shown in Figure 2. Names of tables, columns and identification of primary foreign keys are shown. Questions in this part ask you to show what would be displayed by the following SQL queries should they be executed against the tables having content (tuples/rows) shown in Figure 2. In each answer...
Write a program that demonstrates use of programmer - defined
data structures. Please provide code! Thank you.
Here are the temps given:
January 47 36
February 51 37
March 57 39
April 62 43
May 69 48
June 73 52
July 81 56
August 83 57
September 81 52
October 64 46
November 52 41
December 45 35
Janual line Iranin Note: This program is similar to another recently assigned program, except that it uses struct and an array of...
C++
A sample project is provided AverageGrade that
is very similar to the MovieRatings project, but it only is
inputting one string (className) instead of both the movie name and
the MPAA rating. Another difference is that the AverageGrade
program scores grades A to F with point values from 4.0 to 0.0
(highest to lowest) while the MovieRatings scores the rating from 1
to 5 (lowest to highest). When using the AverageGrade program as a
reference, make sure that the...
please help!!!! JAVA
I done the project expect one part but I still give you all the
detail that you needed...
and I will post my code please help me fix the
CreateGrid() part in main and make GUI works
List Type Data Structures
Overview :
You will be implementing my version of a linked list. This is a
linked list which has possible sublists descending from each node.
These sublists are used to group together all nodes which...
Summarize these pages in your own style and you have to
include in your report some figures highlighting the relation
between these operations.
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please use python and provide run result, thank you!
click on pic to make it bigger
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