Postgresql can you have null foreign key
Similar codes
- 0 vote295 views1 answer
- 0 vote257 views1 answer
- 0 vote290 views1 answer
- 1 vote311 views1 answer
- 1 vote266 views4 answers
- 0 vote286 views1 answer
- 0 vote276 views1 answer
- 0 vote294 views1 answer
- 1 vote307 views1 answer
- 1 vote245 views1 answer