WordPress: MySQL Database User: Which Privileges are needed?
SELECT
INSERT
UPDATE
Digging deeper, I found that in order to operate fully (automated updates, plug-in installation/uninstallation, etc.), WordPress requires some additional permissions:
DELETE
ALTER (for updates)
CREATE TABLE
DROP TABLE
Also, not referenced but it makes sense:
INDEX
https://wordpress.stackexchange.com/questions/6424/mysql-database-user-which-privileges-are-needed