Explicitly precreate as many DB structures as possible up front

https://raw.githubusercontent.com/TrinityCore/TrinityCore/master/.circleci/config.yml

See upstream Circle CI pipeline:

      - run:
          name: SQL checks
          command: |
            chmod +x contrib/check_updates.sh
            dockerize -wait tcp://127.0.0.1:3306 -timeout 120s
            mysql -h 127.0.0.1 -uroot < sql/create/create_mysql.sql
            mysql -h 127.0.0.1 -uroot auth < sql/base/auth_database.sql
            ./contrib/check_updates.sh auth master auth 127.0.0.1
            mysql -h 127.0.0.1 -uroot characters < sql/base/characters_database.sql
            ./contrib/check_updates.sh characters master characters 127.0.0.1
            echo "Importing world database structure"
            mysql -h 127.0.0.1 -uroot world < sql/base/dev/world_database.sql
            echo "Importing hotfixes database structure"
            mysql -h 127.0.0.1 -uroot hotfixes < sql/base/dev/hotfixes_database.sql
            echo "Importing world database updates"
            cat sql/updates/world/master/*.sql | mysql -h 127.0.0.1 -uroot world
            echo "Importing hotfixes database updates"
            cat sql/updates/hotfixes/master/*.sql | mysql -h 127.0.0.1 -uroot hotfixes