video_category

4 rows where v_uid = "v_vsa6k"

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Link v_uid c_uid
v_vsa6k,c_142oa v_vsa6k Blu-ray c_142oa
v_vsa6k,c_nagwk v_vsa6k Image Video c_nagwk
v_vsa6k,c_qu1cm v_vsa6k Solowork c_qu1cm
v_vsa6k,c_r2zdf v_vsa6k Entertainer c_r2zdf

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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);