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