표준 조인(Standard Join) 1. INNER JOIN SELECT FROM Table_A A INNER JOIN Table_B B ON A.Key = B.Key 2. LEFT JOIN SELECT FROM Table_A A LEFT JOIN Table_B B ON A.Key = B.Key 3. RIGHT JOIN SELECT FROM Table_A A RIGHT JOIN Table_B B ON A.Key = B.Key 4. OUTER JOIN SELECT FROM Table_A A FULL OUTER JOIN Table_B B ON A.Key = B.Key 5. LEFT JOIN EXCLUDING INNER JOIN SELECT FROM Table_A A LEFT JOIN Table_B B ON..
