Use database dreamhome • All questions should be written in one SQL query 1. List the number of female and male staff 2. List the staff name and salary who has the max salary 3. List the unique city name that branch has female staff 4. List the street name that has “9” in the zipcode 5. List the number of staff working at London 6. List staff average salary for each branch

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Use database dreamhome
• All questions should be written in one SQL query
1. List the number of female and male staff
2. List the staff name and salary who has the max
salary
3. List the unique city name that branch has female
staff
4. List the street name that has “9” in the zipcode
5. List the number of staff working at London
6. List staff average salary for each branch

| staffNo | fName | 1Name | position
| Mary
SA9
SG14
SG37
SG5
SL21
SL41
David | Ford
Ann
Susan
| John
Julie
| sex
Howe | Assistant | F
Supervisor M
Assistant
Manager
F
IF
| M
| F
‒‒‒‒‒‒‒
| Beech
Brand
| White | Manager
Lee
Assistant
| DOB
| 1970-02-19 |
| 1958-03-24
| 1960-11-10
| 1940-06-03
1945-10-01
| 1965-06-13
salary
9000.00 | B007
18000.00 B003
12000.00 | B003
24000.00 B003
30000.00
B005
9000.00
B005
| branch No
Transcribed Image Text:| staffNo | fName | 1Name | position | Mary SA9 SG14 SG37 SG5 SL21 SL41 David | Ford Ann Susan | John Julie | sex Howe | Assistant | F Supervisor M Assistant Manager F IF | M | F ‒‒‒‒‒‒‒ | Beech Brand | White | Manager Lee Assistant | DOB | 1970-02-19 | | 1958-03-24 | 1960-11-10 | 1940-06-03 1945-10-01 | 1965-06-13 salary 9000.00 | B007 18000.00 B003 12000.00 | B003 24000.00 B003 30000.00 B005 9000.00 B005 | branch No
·—+—·
branchNo | street
|
B002
| B003
|B004
| B005
| B007
| 56 Cover Drive
| 163 Main Street
| 32 Manse Road
| 22 Deer Road
| 16 Argyll Street
| city
| London
| Glasgow
| Bristol
| London
| Aberdeen
-+-
·+
| postcode |
-+
| NW10 6EU |
| G11 9QX 1
| BS99 1NZ I
| SW1 4EH
| AB2 3SU
|
+
Transcribed Image Text:·—+—· branchNo | street | B002 | B003 |B004 | B005 | B007 | 56 Cover Drive | 163 Main Street | 32 Manse Road | 22 Deer Road | 16 Argyll Street | city | London | Glasgow | Bristol | London | Aberdeen -+- ·+ | postcode | -+ | NW10 6EU | | G11 9QX 1 | BS99 1NZ I | SW1 4EH | AB2 3SU | +
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