video_category

4 rows where c_uid = "c_3kwuh"

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Link v_uid c_uid
v_hkmrs,c_3kwuh v_hkmrs Employee/Coworker c_3kwuh
v_lx349,c_3kwuh v_lx349 Employee/Coworker c_3kwuh
v_qz1lf,c_3kwuh v_qz1lf Employee/Coworker c_3kwuh
v_smho9,c_3kwuh v_smho9 Employee/Coworker c_3kwuh

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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);