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CREATE TABLE dbo.Users(ID int IDENTITY, OwnerId int); INSERT dbo.Users(OwnerId) VALUES(45),(37),(37),(37),(37),(37),(37),(94); UPDATE dbo.Users SET OwnerId = CASE WHEN CHECKSUM(NEWID()) % 2 = 0 THEN 64 ELSE 72 END WHERE OwnerId = 37; SELECT * FROM dbo.Users;
ID
OwnerId
1
45
2
64
3
72
4
72
5
64
6
64
7
64
8
94