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queries.sql
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queries.sql
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CREATE SEQUENCE user_id START 1000 increment 1;
CREATE TABLE user_info(
id INT,
username VARCHAR (100) NOT NULL UNIQUE,
first_name VARCHAR (100) NOT NULL,
last_name VARCHAR (100) NOT NULL,
password VARCHAR (100) NOT NULL);
COMMIT ;
##INSERT INTO user_info (id, username, first_name, last_name, password) VALUES (nextval('user_id').......);
##=====================================================================##
CREATE SEQUENCE playlist START 100 increment 1;
CREATE TABLE playlist_spotify(
playlist_id INT PRIMARY KEY,
playlist_name VARCHAR (200) );
COMMIT ;
## nextval('playlist')
##=====================================================================##
CREATE SEQUENCE playlist_track START 100 increment 1;
CREATE TABLE track_list (
Track_Id SERIAL PRIMARY KEY,
Track_Name VARCHAR (200),
Playlist_Id INT UNIQUE);
COMMIT ;
##INSERT INTO track_list (Track_Name, Playlist_Id) VALUES ('Demons', nextval('playlist_track'));
##=====================================================================##
CREATE TABLE track_mood (
mood_id SERIAL PRIMARY KEY,
track_id SERIAL NOT NULL ,
score_track INT NOT NULL);
COMMIT ;
## INSERT INTO track_list (score_track) VALUES (6);
##=====================================================================##
CREATE TABLE mood_name_id (
mood_id SERIAL PRIMARY KEY,
mood VARCHAR (50),
track_id SERIAL NOT NULL);
COMMIT ;
##INSERT INTO mood_name_id (mood) VALUES ('happy');
##=====================================================================##
CREATE SEQUENCE user_id_1 START 1000 increment 1;
CREATE TABLE master_data (
userid INT NOT NULL ,
mood_id SERIAL NOT NULL ,
self_mood_score INT NOT NULL ,
score_track INT NOT NULL );
COMMIT ;
##=====================================================================##