Check whether a value is found in at least one of two extra tables, Sql Server

Check whether a value is found in at least one of two extra tables

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Execution time: 0,03 sec, rows selected: 4, rows affected: 8, absolute service time: 0,2 sec

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X
Y
Contains

1
1
0
False

2
1
1
True

3
1
2
True

4
1
7
False

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