Question

Well, I apologize for the horrible question title. I am not a SQL or database guy so I find I am somewhat lacking the vocabulary to succinctly describe what I am trying to do. So, I will just pose the question as an anecdote.

I have two tables:

+-------+--------+------------+
| STATE | REGION |  CAPITAL   |
+-------+--------+------------+
| WA    | X      | Olympia    |
| CA    | IX     | Sacramento |
| TX    | VI     | Austin     |
+-------+--------+------------+

And:

+-------+--------+-------+
| NAME  | NUMBER | STATE |
+-------+--------+-------+
| Tom   |      1 | WA    |
| Dick  |      5 | WA    |
| Larry |     45 | WA    |
| Joe   |     65 | TX    |
| John  |      3 | CA    |
+-------+--------+-------+

How can I then query the second table so that I can “append” a fourth field to the first table that stores a total count for the number of people in that state, such that the first table would then look like this:

+-------+--------+------------+-------+
| STATE | REGION |  CAPITAL   | COUNT |
+-------+--------+------------+-------+
| WA    | X      | Olympia    |     3 |
| CA    | IX     | Sacramento |     1 |
| TX    | VI     | Austin     |     1 |
+-------+--------+------------+-------+

Thanks in advance.

Answer 1

SELECT s.STATE, s.REGION, s.CAPITAL, COUNT(*) as 'COUNT'
FROM secondtable s
JOIN firsttable f ON s.STATE = f.STATE
GROUP BY f.STATE, f.REGION, f.CAPITAL
ORDER BY COUNT(*) DESC