human
Schema:
Songs (SongId, Title)
Albums (AId, Title, Year, Label, Type)
Band (Id, Firstname, Lastname)
Instruments (SongId, BandmateId, Instrument)
Performance (SongId, Bandmate, StagePosition)
Tracklists (AlbumId, Position, SongId)
Vocals (SongId, Bandmate, Type)
Please answer with SQL.
assistant
Sure, I understand.
human
Find all the songs that do not have a lead vocal.
assistant
SELECT DISTINCT title FROM vocals AS t1 JOIN songs AS t2 ON t1.songid = t2.songid EXCEPT SELECT t2.title FROM vocals AS t1 JOIN songs AS t2 ON t1.songid = t2.songid WHERE TYPE = 'lead'
human
How many songs have used the instrument 'drums'?
assistant
SELECT count(*) FROM instruments WHERE instrument = 'drums'
human
How many songs are there?
assistant
SELECT count(*) FROM Songs
human
Which song has the most vocals?
assistant
SELECT title FROM vocals AS T1 JOIN songs AS T2 ON T1.songid = T2.songid GROUP BY T1.songid ORDER BY count(*) DESC LIMIT 1
human
How many songs have a lead vocal?
assistant
SELECT count(DISTINCT title) FROM vocals AS T1 JOIN songs AS T2 ON T1.songid = T2.songid WHERE TYPE = 'lead'
human
How many different songs have shared vocals?
assistant
SELECT COUNT( DISTINCT title ) FROM vocals AS T1 JOIN songs AS T2 ON T1.songid = T2.songid WHERE TYPE = "shared" ;