Access-SQL: Inner Join with multiple tables

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If you are writing a query against an Access database backend, you need to use the following join syntax:

select
  t1.c1
, t2.c2
, t3.c3
, t4.c4
from ((t1
inner join t2 on t1.something = t2.something)
inner join t3 on t2.something = t3.something)
inner join t4 on t3.something = t4.something

The table and column names aren’t important here, but the placement of the parentheses is. Basically, you need to have n – 2 left parentheses after the from clause and one right parenthesis before the start of each new join clause except for the first, where n is the number of tables being joined together.

The reason is that Access’s join syntax supports joining only two tables at a time, so if you need to join more than two you need to enclose the extra ones in parentheses.

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