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