Collect variables from from different tables

Question

Good evening!
I want to make a table with variable green from table uno,
and variable blue from table dos,
and variable yellow from table tres,
and only of variable yellow equals 1 to 9.
my syntax is as below. what is wrong, what should i do instead? Many thank's!
exec("select a.id, a.green, b.blue, c.yellow from uno as a left join dos as b on (a.id=b.id) left join tres as c on (a.id=c.id) where c.yellow between '1' and '9'")

Answer 1

Try this
exec('select a.id, a.green, b.blue, c.yellow from uno as a left join dos as b on (a.id=b.id) left join tres as c on (a.id=c.id) where c.yellow between ''1'' and ''9''')
--Prashanth