10 | Index on a low cardinality column" If many of the values in the field are the same, the index might not significantly speed up queries." "An index on the gender column likely would not help because there's no value in an index on a low cardinality column. Meaning, there's not enough variety in the values for the index to provide |
10 | Merge of entity classes with "mapped by" very slow it with the new build. support Support Thanks for new build. Fix is working correctly. The speed boost |
10 | Left join fetch behaviour doesn't retrieve children? :) Thx for your work and your speed to fix it. But i'm curious ... why "mappedBy" broke the left join |
10 | Selective merge/cascade of detatched entity. It is ultimately the speed of these two use cases that will decide whether objectdb is worth the investment |
2 | queries more than 10 times slower using 2.8.1 versus 2.7.6 of the speed compared to 2.7.6 hgzwicker Hans-Georg Zwicker Here is an analysis of query 1 of post #6 |
