video_category

4 rows where c_uid = "c_3zrrb"

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Link v_uid c_uid
v_5fv2c,c_3zrrb v_5fv2c Big Tits Lover c_3zrrb
v_a7f3b,c_3zrrb v_a7f3b Big Tits Lover c_3zrrb
v_gc9bo,c_3zrrb v_gc9bo Big Tits Lover c_3zrrb
v_voheq,c_3zrrb v_voheq Big Tits Lover c_3zrrb

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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);