video_category

6 rows where v_uid = "v_ng9rg"

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Link v_uid c_uid
v_ng9rg,c_0951h v_ng9rg Hi-Def c_0951h
v_ng9rg,c_0a9h2 v_ng9rg Small Tits c_0a9h2
v_ng9rg,c_g1r8g v_ng9rg Beautiful Girl c_g1r8g
v_ng9rg,c_km6ib v_ng9rg Deep Throat c_km6ib
v_ng9rg,c_nouxx v_ng9rg Creampie c_nouxx
v_ng9rg,c_xd7wn v_ng9rg Squirting c_xd7wn

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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);