2. Due to a delay in supply chain, management needs to add 3 days and 9 hours to the invoices issued in February of 2014 where products are supplied by vendors from Florida (FL). A junior SQL developer gives you the following code. (a) Explain to him and identify where the mistakes are. (b) Correct the mistakes in the code and provide him with the correct code that works. Show the updated invoice table and the SQL.

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
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2. Due to a delay in supply chain, management needs to add 3 days and 9 hours to the invoices issued
in February of 2014 where products are supplied by vendors from Florida (FL). A junior SQL
developer gives you the following code.
(a) Explain to him and identify where the mistakes are.
(b) Correct the mistakes in the code and provide him with the correct code that works. Show the
updated invoice table and the SQL.
Update INVOICE
SET INV_DATE=date (INV_DATE, '3 days')
where INV_NUMBER IN (
Select I. INV_NUMBER
From INVOICE I JOIN LINE L JOIN Product P JOIN VENDOR V
LON I. INV_NUMBER= L.INV_NUMBER AND L.P_CODE=V.P_CODE AND P.V_CODE= V.V_CODE
where V.V_STATE='FLORIDA' ) AND strftime (§y, INV_DATE) ='2014' AND strftime (M, INV_DATE)='1'
Transcribed Image Text:2. Due to a delay in supply chain, management needs to add 3 days and 9 hours to the invoices issued in February of 2014 where products are supplied by vendors from Florida (FL). A junior SQL developer gives you the following code. (a) Explain to him and identify where the mistakes are. (b) Correct the mistakes in the code and provide him with the correct code that works. Show the updated invoice table and the SQL. Update INVOICE SET INV_DATE=date (INV_DATE, '3 days') where INV_NUMBER IN ( Select I. INV_NUMBER From INVOICE I JOIN LINE L JOIN Product P JOIN VENDOR V LON I. INV_NUMBER= L.INV_NUMBER AND L.P_CODE=V.P_CODE AND P.V_CODE= V.V_CODE where V.V_STATE='FLORIDA' ) AND strftime (§y, INV_DATE) ='2014' AND strftime (M, INV_DATE)='1'
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