1. Sparse data: efficient storage and retrieval in an RDBMS stackoverflow.com
I have a table representing values of source file metrics across project revisions, like the following:
2. Hibernate database specific columnDefinition values stackoverflow.com
the problem is as follows: We're using hibernate with annotations as O/R Mapper.
Some @Column annotations look like:
3. Hibernate One To Many Problem stackoverflow.com
I am doing a proof of concept for one to many mapping with no success. My schema is as follows: