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id foreignId column1 column2 ttimestamp
1 1 1 1 2022-04-19
3 1 1 1 2022-04-20
2 1 1 1 2022-04-22
5 2 2 2 2022-04-20
4 2 2 2 2022-04-23
6 3 2 3 2022-04-24
7 3 3 2 2022-04-25
8 4 4 4 2022-04-25
9 4 4 4 2022-04-25
MAX(ttimestamp)
2022-04-22
2022-04-23
2022-04-24
2022-04-25
2022-04-25
id foreignId column1 column2
2 1 1 1
4 2 2 2
6 3 2 3
7 3 3 2
9 4 4 4
id foreignId column1 column2 ttimestamp
2 1 1 1 2022-04-22
4 2 2 2 2022-04-23
6 3 2 3 2022-04-24
7 3 3 2 2022-04-25
9 4 4 4 2022-04-25