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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
Ashraf Shagar
Posted on:
17 Jan 2023
0
Tsvetelin Tsonkov
Instructor
Posted on:
18 Jan 2023
0
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