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