7/25/2019 UnionAll vs Union

1/3

tblTest10 tblTest11

id Name id Name

1 a 2 b

2 b 6 f

3 c 3 c

4 d 7 g5 e

select * frounion allselect * fro

select * frounionselect * fro

7/25/2019 UnionAll vs Union

2/3

union all uni

id Name id

1 a 1

2 b 2

3 c 3

4 d 45 e 5

2 b 6

6 f 7

3 c

7 g

m tblTest10

m tblTest11;

m tblTest10

m tblTest11;

7/25/2019 UnionAll vs Union

3/3

on

Name

a

b

c

de

f

g