10. Please write a stored function named fHW_10_xxxx () which will return the total payment amount for a given student ID and a year. Please refer to Students, Courses, Students_Courses tables. Assume each credit is $100.

Computer Networking: A Top-Down Approach (7th Edition)
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Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
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Question
10.
Please write a stored function named fHW_10_xxxx () which will return the total payment amount for
a given student ID and a year. Please refer to Students, Courses, Students_Courses tables. Assume each credit is
$100.
10.1
The above SQL statement will return
> select fHW_10_demo(2000,1001) as output;
> select fHW_10_demo(2016,1001) as
10.2
output;
The above SQL statement will return.
+-
| output
------+
+--
I output I
| No result found for student ID: 1001 at year: 2000 |
-+
+-
| 400
+
10.3
select fHW_10_demo(", 1002) as output;
10.4
> select fHW_ 10_demo(2017, null) as
The above SQL statement will return
output;
The above SQL statement will return
+--
| output
I output
I Please input valid year.
+-
+--
I Please input valid student id.
+--
Transcribed Image Text:10. Please write a stored function named fHW_10_xxxx () which will return the total payment amount for a given student ID and a year. Please refer to Students, Courses, Students_Courses tables. Assume each credit is $100. 10.1 The above SQL statement will return > select fHW_10_demo(2000,1001) as output; > select fHW_10_demo(2016,1001) as 10.2 output; The above SQL statement will return. +- | output ------+ +-- I output I | No result found for student ID: 1001 at year: 2000 | -+ +- | 400 + 10.3 select fHW_10_demo(", 1002) as output; 10.4 > select fHW_ 10_demo(2017, null) as The above SQL statement will return output; The above SQL statement will return +-- | output I output I Please input valid year. +- +-- I Please input valid student id. +--
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