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