This data as json, CSV (advanced)
| Link | pk1 | pk2 | pk3 | content |
|---|---|---|---|---|
| b,a,r | b | a | r | b-a-r |
| b,b,r | b | b | r | b-b-r |
| b,c,r | b | c | r | b-c-r |
| b,d,r | b | d | r | b-d-r |
| b,e,r | b | e | r | b-e-r |
| b,f,r | b | f | r | b-f-r |
| b,g,r | b | g | r | b-g-r |
| b,h,r | b | h | r | b-h-r |
| b,i,r | b | i | r | b-i-r |
| b,j,r | b | j | r | b-j-r |
| b,k,r | b | k | r | b-k-r |
| b,l,r | b | l | r | b-l-r |
JSON shape: default, array, newline-delimited, object
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);