video_label

3 rows where l_uid = "l_9z20f"

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Link v_uid l_uid
v_4veto,l_9z20f v_4veto hd l_9z20f
v_v82ly,l_9z20f v_v82ly hd l_9z20f
v_w7kts,l_9z20f v_w7kts hd l_9z20f

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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);