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Have I lost it, but if feels like I remember doing something along the lines of:
select tb1.c1, (select count(tb2.c2) from tb2 where tb2.id = tb1.id) from tb1 where blah;
I can’t remember but I think did something like this maybe it wasn’t mysql.
What was the question?
This statement looks valid, at least in MySQL 5.1 and later.
This may work in MySQL 5.0, but for sure not in MySQL 3.23.
You likely want to add an alias following the subquery, eg.
) AS tb2_count from