video_category

6 rows where c_uid = "c_9e0rd"

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Link v_uid c_uid
v_7340z,c_9e0rd v_7340z Documentary c_9e0rd
v_9z7g7,c_9e0rd v_9z7g7 Documentary c_9e0rd
v_ggy4w,c_9e0rd v_ggy4w Documentary c_9e0rd
v_p31gi,c_9e0rd v_p31gi Documentary c_9e0rd
v_v7r1g,c_9e0rd v_v7r1g Documentary c_9e0rd
v_y11o6,c_9e0rd v_y11o6 Documentary c_9e0rd

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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);