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ICT3612 Assignment 3 2024 - DUE 15 July 2024
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ICT3612 Assignment 3 2024 - DUE 15 July 2024 QUESTIONS WITH ANSWERS
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ICT3612Assignment 3 2024
- DUE 15 July 2024
QUESTIONS WITH COMPLETE ANSWERS
[DATE]
[COMPANY NAME]
[Company address]
,ICT3612 Assignment 3 2024 - DUE 15 July 2024
Question 1 (2 marks)
Which of the following is an aggregate expression that will find the oldest date in the
invoiceDate column?
1. MIN(invoiceDate)
2. MAX(invoiceDate)
3. HIGH(invoiceDate)
4. LOW(invoiceDate)
2. MAX(invoiceDate)
This aggregate function retrieves the maximum (oldest) date from the invoiceDate column.
Question 2 (2 marks)
Which of the following LIMIT clauses will return a maximum of five rows starting with the
eleventh row in the result set? Downloaded by Corona Virus () lOMoARcPSD| 15
ICT3612/102/0/2024
1. LIMIT 10, <= 5
2. LIMIT 11, <= 5
3. LIMIT 10, 5
4. LIMIT 11, 5
The correct answer for Question 2 is:
4. LIMIT 11, 5
This LIMIT clause will start at the eleventh row and return a maximum of five rows from that
point onward in the result set.
, Question 3 (2 marks)
When coded in a WHERE clause, which search condition will return invoices when
paymentDate isn’t null and invoiceTotal is greater than or equal to 500?
1. paymentDate IS NULL AND invoiceTotal > 500
2. paymentDate IS NOT NULL OR invoiceTotal >= 500
3. NOT (paymentDate IS NULL AND invoiceTotal <= 500)
4. paymentDate IS NOT NULL AND invoiceTotal >= 500
The correct answer for Question 3, which will return invoices when paymentDate isn’t null and
invoiceTotal is greater than or equal to 500, is:
4. paymentDate IS NOT NULL AND invoiceTotal >= 500
This condition ensures that both paymentDate is not null (indicating payment has been made)
and invoiceTotal is $500 or more.
Question 4 (1 mark)
Which of the following is not a comparison operator in a SQL statement?
1. <>
2. !=
3. =
4. >
The correct answer for Question 4 is:
2. !=
In SQL, the "!=" operator is not a standard comparison operator. Instead, "<>", "=", and ">" are
valid comparison operators commonly used in SQL statements.
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