Mysql two column combination unique
Mysql unique two columns
0
- 1 vote265 views1 answer
- 0 vote268 views1 answer
- 0 vote272 views1 answer
- 0 vote347 views2 answers
- 0 vote294 views1 answer
- -1 vote296 views1 answer
- 1 vote288 views1 answer
- 0 vote263 views1 answer
- 0 vote274 views1 answer
- 0 vote297 views1 answer