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