video_label

1 row where v_uid = "v_1wlao"

This data as json, CSV (advanced)

Link v_uid l_uid
v_1wlao,l_5h7ud v_1wlao お中元にはボンレスハム l_5h7ud

Advanced export

JSON shape: default, array, newline-delimited, object

CSV options: 

CREATE TABLE video_label (
  v_uid TEXT NOT NULL REFERENCES videos(uid) ON DELETE CASCADE,
  l_uid TEXT NOT NULL REFERENCES labels(uid) ON DELETE CASCADE,
  PRIMARY KEY (v_uid, l_uid)
);
CREATE INDEX idx_video_label_l ON video_label(l_uid);