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