Revert "EasyDB"

This reverts commit dd712ca22a70f4f670fcd46d4d249f1d1ae0fa28.
Revert "Revert "EasyDB""

This reverts commit 02314d1eaa7b0be5db3a4edb4b150e4992fa0e56.
Revert "Revert "Revert "EasyDB"""

This reverts commit 7e36449bc1079144340ae42450406ebdcd4a3ef0.