Schema Merge Example

2022-06-18

This diagram shows how schema merge is performed.

id
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attr1
[Not supported by viewer]
attr2
[Not supported by viewer]
1
[Not supported by viewer]
A
[Not supported by viewer]
C
[Not supported by viewer]
2
[Not supported by viewer]
B
[Not supported by viewer]
D
[Not supported by viewer]
id
[Not supported by viewer]
attr1
[Not supported by viewer]
attr2
[Not supported by viewer]
attr3
[Not supported by viewer]
3
[Not supported by viewer]
E
[Not supported by viewer]
G
[Not supported by viewer]
I
[Not supported by viewer]
4
[Not supported by viewer]
F
[Not supported by viewer]
H
[Not supported by viewer]
J
[Not supported by viewer]
id
[Not supported by viewer]
attr1
[Not supported by viewer]
attr3
[Not supported by viewer]
5
[Not supported by viewer]
K
[Not supported by viewer]
M
[Not supported by viewer]
6
[Not supported by viewer]
L
[Not supported by viewer]
N
[Not supported by viewer]
Schema Merge
[Not supported by viewer]
id
[Not supported by viewer]
attr1
[Not supported by viewer]
attr2
[Not supported by viewer]
attr3
[Not supported by viewer]
1
[Not supported by viewer]
A
[Not supported by viewer]
C
[Not supported by viewer]
NULL
[Not supported by viewer]
2
[Not supported by viewer]
B
[Not supported by viewer]
D
[Not supported by viewer]
NULL
[Not supported by viewer]
3
[Not supported by viewer]
E
[Not supported by viewer]
G
[Not supported by viewer]
I
[Not supported by viewer]
4
[Not supported by viewer]
F
[Not supported by viewer]
H
[Not supported by viewer]
J
[Not supported by viewer]
5
[Not supported by viewer]
K
[Not supported by viewer]
NULL
[Not supported by viewer]
M
[Not supported by viewer]
6
[Not supported by viewer]
L
[Not supported by viewer]
NULL
[Not supported by viewer]
N
[Not supported by viewer]