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-- Create the phrase table
-- This will hold the phrases with an associated ID
-- Phrases will be varchars of solfege syllables normalized as:
-- a = do
-- b = do+/re-
-- c = re
-- d = re+/mi-
-- e = mi
-- f = fa
-- g = fa+/so-
-- h = so
-- i = so+/la-
-- j = la
-- k = la+/ti-
-- l = ti
CREATE TABLE IF NOT EXISTS phrases (
phrase_id BIGSERIAL PRIMARY KEY,
solfege VARCHAR(30) NOT NULL UNIQUE
);
-- Create a table that allows us to have a many-to-many
-- relationship between phrases and songs (i.e., a phrase can be
-- contained within multiple songs, and a song can have multiple phrases).
CREATE TABLE IF NOT EXISTS phrase_song (
phrase_id BIGINT NOT NULL,
song_id BIGINT NOT NULL
);
CREATE TABLE IF NOT EXISTS songs (
song_id BIGSERIAL PRIMARY KEY,
title VARCHAR(255),
artist_name VARCHAR(255)
);
-- Now we need an index that will allow us to search more quickly for phrases
CREATE UNIQUE INDEX phrases_solfege ON phrases (solfege);
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