video_category

7 rows where v_uid = "v_3n9af"

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Link v_uid c_uid
v_3n9af,c_0951h v_3n9af Hi-Def c_0951h
v_3n9af,c_0tc2g v_3n9af Variety c_0tc2g
v_3n9af,c_392vm v_3n9af 4K c_392vm
v_3n9af,c_4swsu v_3n9af Cosplay c_4swsu
v_3n9af,c_ihjo9 v_3n9af Orgy c_ihjo9
v_3n9af,c_nouxx v_3n9af Creampie c_nouxx
v_3n9af,c_uylsl v_3n9af Couple c_uylsl

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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);