#------------------------------------------------------------------------------
# Copyright (c) 2016, 2021, Oracle and/or its affiliates. All rights reserved.
#
# Portions Copyright 2007-2015, Anthony Tuininga. All rights reserved.
#
# Portions Copyright 2001-2007, Computronix (Canada) Ltd., Edmonton, Alberta,
# Canada. All rights reserved.
#------------------------------------------------------------------------------

#------------------------------------------------------------------------------
# database_startup.py
#   This script demonstrates starting up a database using Python. The
# connection used assumes that the environment variable ORACLE_SID has been
# set.
#
# This script requires cx_Oracle 4.3 and higher.
#------------------------------------------------------------------------------

import cx_Oracle as oracledb

# the connection must be in PRELIM_AUTH mode
connection = oracledb.connect(mode=oracledb.SYSDBA | oracledb.PRELIM_AUTH)
connection.startup()

# the following statements must be issued in normal SYSDBA mode
connection = oracledb.connect("/", mode=oracledb.SYSDBA)
cursor = connection.cursor()
cursor.execute("alter database mount")
cursor.execute("alter database open")