This data as json, CSV (advanced)
| Link | pk1 | pk2 | pk3 | content |
|---|---|---|---|---|
| b,a,a | b | a | a | b-a-a |
| b,b,a | b | b | a | b-b-a |
| b,c,a | b | c | a | b-c-a |
| b,d,a | b | d | a | b-d-a |
| b,e,a | b | e | a | b-e-a |
| b,f,a | b | f | a | b-f-a |
| b,g,a | b | g | a | b-g-a |
| b,h,a | b | h | a | b-h-a |
| b,i,a | b | i | a | b-i-a |
| b,j,a | b | j | a | b-j-a |
| b,k,a | b | k | a | b-k-a |
| b,l,a | b | l | a | b-l-a |
| b,m,a | b | m | a | b-m-a |
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);