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Outoverlay2016-01-24 11:37:23
MySQL
Outoverlay, 2016-01-24 11:37:23

Is this possible?

WHERE table1.id = table2.id = table3.id

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Rsa97, 2016-01-24
@Outoverlay

Maybe. This is equivalent to
True in two cases:
If (table1.id = table2.id) and (table3.id = 1)
If (table1.id != table2.id) and (table3.id = 0)

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