video_category

4 rows where c_uid = "c_hczp2"

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Link v_uid c_uid
v_09wnd,c_hczp2 v_09wnd Urination c_hczp2
v_2ef04,c_hczp2 v_2ef04 Urination c_hczp2
v_dmom8,c_hczp2 v_dmom8 Urination c_hczp2
v_rj2jb,c_hczp2 v_rj2jb Urination c_hczp2

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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);