Use the SQL class from bob.db.base to benefit from improvements

2 jobs for del_exception in 15 minutes and 22 seconds (queued for 3 seconds)
Status Name Job ID Coverage
  Build
passed build_linux_36 #155389
docker

00:13:46

58.0%
passed build_macosx_36 #155390
macosx

00:15:22

58.0%