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