video_category

3 rows where v_uid = "v_vgdca"

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Link v_uid c_uid
v_vgdca,c_0951h v_vgdca Hi-Def c_0951h
v_vgdca,c_2usm9 v_vgdca Threesome / Foursome c_2usm9
v_vgdca,c_6dnlw v_vgdca Princess & Mademoiselle c_6dnlw

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CREATE TABLE video_category (
  v_uid TEXT NOT NULL REFERENCES videos(uid)     ON DELETE CASCADE,
  c_uid TEXT NOT NULL REFERENCES categories(uid) ON DELETE CASCADE,
  PRIMARY KEY (v_uid, c_uid)
);
CREATE INDEX idx_video_category_c ON video_category(c_uid);