compound_three_primary_keys

12 rows where pk1 = "b" and pk3 = "v"

descending

Link	pk1	pk2	pk3	content
b,e,v	b	e	v	b-e-v
b,f,v	b	f	v	b-f-v
b,g,v	b	g	v	b-g-v
b,h,v	b	h	v	b-h-v
b,i,v	b	i	v	b-i-v
b,j,v	b	j	v	b-j-v
b,k,v	b	k	v	b-k-v
b,l,v	b	l	v	b-l-v

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CREATE TABLE compound_three_primary_keys (
  pk1 varchar(30),
  pk2 varchar(30),
  pk3 varchar(30),
  content text,
  PRIMARY KEY (pk1, pk2, pk3)
);
CREATE INDEX idx_compound_three_primary_keys_content ON compound_three_primary_keys(content);