I m using orientdb community version 2.2.20 . I have import a large dataset of for about 15M edges and 30K vertices What is the best way to delete a graph is it to delete edges , and then the vertices ? or is there a way to delete the whole graph at once?
Reading the documentation I only find the DELETE VERTEX, and EDGE commands
If you're deleting everything, you can use also the TRUNCATE CLASS command specifying also UNSAFE. That is much faster. Example to delete any vertices and edges in your database:
TRUNCATE CLASS V POLYMORPHIC UNSAFE
TRUNCATE CLASS E POLYMORPHIC UNSAFE