exrm PostgreSQL/MySQL release equivalents for `mix ecto.create` and `mix ecto.drop`.

exrm_ecto_create_drop_tasks.sh

# PostgreSQL `mix ecto.create` equivalent
psql -c "CREATE USER ${DB_USER} WITH PASSWORD '${DB_PASSWORD}';"
createdb "${DB_NAME}"
psql -c "GRANT ALL PRIVILEGES ON DATABASE ${DB_NAME} to ${DB_USER};"

# PostgreSQL `mix ecto.drop` equivalent
dropdb "${DB_NAME}"
dropuser "${DB_USER}"

# PostgresSQL interactive terminal
PGPASSWORD="${DB_PASSWORD}" psql -U "${DB_USER}" "${DB_NAME}"


# MySQL `mix ecto.create` equivalent
mysql -e "CREATE USER '${DB_USER}'@'localhost' IDENTIFIED BY '${DB_PASSWORD}';"
mysql -e "CREATE DATABASE ${DB_NAME};"
mysql -e "GRANT ALL PRIVILEGES ON ${DB_NAME}.* TO '${DB_USER}'@'localhost' IDENTIFIED BY '${DB_PASSWORD}';"
mysql -e "FLUSH PRIVILEGES;"

# MySQL `mix ecto.drop` equivalent
mysql -e "DROP DATABASE ${DB_NAME};"
mysql -e "DROP USER '${DB_USER}'@'localhost';"

# MySQL interactive terminal
mysql -u"${DB_USER}" -p"${DB_PASSWORD}" "${DB_NAME}"