[sql] Failed to execute: CREATE TABLE recommendation_default ( id_user BIGINT NOT NULL, id_item BIGINT NOT NULL, preference_value FLOAT NOT NULL, PRIMARY KEY (id_user, id_item), INDEX (id_user), INDEX (id_item) )
[sql] Failed to execute: INSERT INTO recommendation_default ( id_user , id_item , preference_value ) VALUES (1,10,1.0), (1,11,2.0), (1,12,5.0), (1,13,5.0), (1,14,5.0), (1,15,4.0), (1,16,5.0), (1,17,1.0), (1,18,5.0), (2,10,1.0), (2,11,2.0), (2,15,5.0), (2,16,4.5), (2,17,1.0), (2,18,5.0), (3,11,2.5), (3,12,4.5), (3,13,4.0), (3,14,3.0), (3,15,3.5), (3,16,4.5), (3,17,4.0), (3,18,5.0), (4,10,5.0), (4,11,5.0), (4,12,5.0), (4,13,0.0), (4,14,2.0), (4,15,3.0), (4,16,1.0), (4,17,4.0), (4,18,1.0) 
