DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.oracle',
        'NAME': 'TEST_DB',
...

class TEST_TABLE(models.Model):
    TEST_FIELD = models.IntegerField()
...

select TEST_DB_TEST_TABLE.TEST_FIELD
from TEST_DB_TEST_TABLE

class TEST_TABLE(models.Model):
    TEST_FIELD = models.IntegerField()

    class Meta:
        db_table = 'TEST_TABLE'