Dear list,
assuming I have the following n:n relationship:
t1:
id_project
1
2
t2:
id_product
1
2
intermediary table:
t3
id_project|id_product
1|1
1|2
2|1
How can I create an output like this:
id_project|id_product1|id_product2
1|1|2
2|1|NULL
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