compound_three_primary_keys

26 rows where pk1 = "a" and pk2 = "k"

descending

Link	pk1	pk2	pk3	content
a,k,a	a	k	a	a-k-a
a,k,b	a	k	b	a-k-b
a,k,c	a	k	c	a-k-c
a,k,d	a	k	d	a-k-d
a,k,e	a	k	e	a-k-e
a,k,f	a	k	f	a-k-f
a,k,g	a	k	g	a-k-g
a,k,h	a	k	h	a-k-h
a,k,i	a	k	i	a-k-i
a,k,j	a	k	j	a-k-j
a,k,k	a	k	k	a-k-k
a,k,l	a	k	l	a-k-l
a,k,m	a	k	m	a-k-m
a,k,n	a	k	n	a-k-n
a,k,o	a	k	o	a-k-o
a,k,p	a	k	p	a-k-p
a,k,q	a	k	q	a-k-q
a,k,r	a	k	r	a-k-r
a,k,s	a	k	s	a-k-s
a,k,t	a	k	t	a-k-t
a,k,u	a	k	u	a-k-u
a,k,v	a	k	v	a-k-v
a,k,w	a	k	w	a-k-w
a,k,x	a	k	x	a-k-x
a,k,y	a	k	y	a-k-y
a,k,z	a	k	z	a-k-z

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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);