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.
If “empty spaces” in PROD_UNIT_OF_MEASURE column have NULL value then A is correct answer.
If “empty spaces” in PROD_UNIT_OF_MEASURE column have ” value then B is correct answer.
Sorry, mistake. Oracle won’t allow to insert zero length string.
It will be inserted as NULL.
Yes, I also understood same. I think A is correct answer