Inner join SQL syntax

gtilflm

I've never done an inner join SQL statement before, so I don't even know if this is the right choice, but this is my situation.

Table 1 Column: id, course_id, unit, course Table 2 Column: id, course_id

id'sFinally, each cell in the number I want to count is in table 1, which is also in table 2 .

So even if it doesn't work, maybe something like....

$sql = "SELECT table1.unit, COUNT( id ) as count, table2.id, FROM table1, table2, WHERE course_id=$im_course_id GROUP BY unit";

I'm sure the syntax I'm trying to execute is completely failing. Have an idea for a fix?

Pupa Rebbe

SELECT unit, COUNT( t1.id ) as count
FROM table1 as t1 inner JOIN table2 as t2 
  ON t1.id = t2.id
GROUP BY unit

Hope this helps.

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