This data as json, CSV (advanced)
| Link | pk1 | pk2 | pk3 | content |
|---|---|---|---|---|
| a,a,a | a | a | a | a-a-a |
| a,b,a | a | b | a | a-b-a |
| a,c,a | a | c | a | a-c-a |
| a,d,a | a | d | a | a-d-a |
| a,e,a | a | e | a | a-e-a |
| a,f,a | a | f | a | a-f-a |
| a,g,a | a | g | a | a-g-a |
| a,h,a | a | h | a | a-h-a |
| a,i,a | a | i | a | a-i-a |
| a,j,a | a | j | a | a-j-a |
| a,k,a | a | k | a | a-k-a |
| a,l,a | a | l | a | a-l-a |
| a,m,a | a | m | a | a-m-a |
| a,n,a | a | n | a | a-n-a |
| a,o,a | a | o | a | a-o-a |
| a,p,a | a | p | a | a-p-a |
| a,q,a | a | q | a | a-q-a |
| a,r,a | a | r | a | a-r-a |
| a,s,a | a | s | a | a-s-a |
| a,t,a | a | t | a | a-t-a |
| a,u,a | a | u | a | a-u-a |
| a,v,a | a | v | a | a-v-a |
| a,w,a | a | w | a | a-w-a |
| a,x,a | a | x | a | a-x-a |
| a,y,a | a | y | a | a-y-a |
| a,z,a | a | z | a | a-z-a |
| 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);