"[SOLVED] how to join 4 tables"
HI, I have 4 tables that I want to join into 1. But the join function only allow 2 tables to joined. when I tried to use 2 joins , some of the attributes disappeared
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Thank you very much ;D
by default, the Join operator drops the join attributes of the right example set. Additionally attributes may be dropped, if they are equally named in both sets. You should experiment with the parameters "remove_double_attributes" and "keep_both_join_attributes". You have to enable expert mode to see the these options.
If you still have problems, please post your process and describe your data according to the tips in the post linked in my signature.
Best, Marius