video_category

5 rows where v_uid = "v_3eg23"

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Link v_uid c_uid
v_3eg23,c_0951h v_3eg23 Hi-Def c_0951h
v_3eg23,c_dddyt v_3eg23 Youthful c_dddyt
v_3eg23,c_g1r8g v_3eg23 Beautiful Girl c_g1r8g
v_3eg23,c_jvx86 v_3eg23 Massage Parlor c_jvx86
v_3eg23,c_ry90w v_3eg23 Massage c_ry90w

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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);