video_category

6 rows where v_uid = "v_b6pkw"

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Link v_uid c_uid
v_b6pkw,c_0951h v_b6pkw Hi-Def c_0951h
v_b6pkw,c_0tc2g v_b6pkw Variety c_0tc2g
v_b6pkw,c_kk2dm v_b6pkw Over 4 Hours c_kk2dm
v_b6pkw,c_m0p14 v_b6pkw Sister c_m0p14
v_b6pkw,c_rudby v_b6pkw Stepfamily c_rudby
v_b6pkw,c_wzmym v_b6pkw Virgin c_wzmym

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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);