SELECT ar.name, COUNT(al.id) AS cnt
FROM album al, artist ar
WHERE al.artist=ar.id
GROUP BY ar.name
ORDER BY cnt DESC
Результаты запроса:
Wolfgang Amadeus Mozart 1796
Johann Sebastian Bach 1789
Ludwig van Beethoven 1538
Grateful Dead 1200
Nirvana 761
Metallica 660
Pearl Jam 570
Elvis Presley 526
The Beatles 502
Georg Friedrich Händel 500
Пётр Ильич Чайковский 496
U2 488
Franz Schubert 459
Pink Floyd 458
Depeche Mode 452
Frédéric Chopin 447
Antonio Vivaldi 434
Bob Marley & The Wailers 425
Wilco 422
Johannes Brahms 421
Bob Dylan 413
Frank Sinatra 402
Miles Davis 392
Johnny Cash 370
Louis Armstrong 362
Duke Ellington & His Orchestra 349
Marillion 348
Joseph Haydn 348
Такие дела.