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Ashraf Shagar
Last answered:

18 Jan 2023

Posted on:

14 Jan 2023

1

Resolved: Is the minus sign to keep null values of the emp_no at the bottom?

in SQL / UNION vs UNION ALL
3 answers ( 1 marked as helpful)
Tsvetelin Tsonkov
Instructor
Posted on:

16 Jan 2023

1
Helpful answer
Ashraf Shagar
Posted on:

17 Jan 2023

0
Tsvetelin Tsonkov
Instructor
Posted on:

18 Jan 2023

0

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