View the Exhibit and examine the data in the products table.
You need to display product names from the products table that belong to the ‘software/other’ category with minimum prices as either S2000 or S4000 and no unit of measure.
You issue the following query:
Which statement is true regarding the above query?
A. It executes successfully but returns no result.
B. It executes successfully and returns the required result.
C. It generates an error because the condition specified for PROD_UNIT_OF_MEASURE is not valid.
D. It generates an error because the condition specified for the prod category column is not valid.
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B)
I don’t think ‘ ‘ means (null), Isn’t it consider as a char?
I think it would produce PROD_ID 103.
No.
( ”) means ( NULL)
and ( NULL) is not the same as (IS NOT NULL).
anything (= NULL) or ( NULL) will return no rows.
This is what I meant: https://anotepad.com/notes/cpjedde