.read_sql_query works but .read_sql_table fails

Pandas is very helpful and I have been using it heavily recently. However, I have run into an issue where this code works:

from sqlalchemy import *
import pandas as pd
orcl_connect_string = 'oracle+cx_oracle://system:oracle@192.168.56.101:1521/?service_name=orcl'
engine = create_engine(orcl_connect_string)
pd.read_sql_query('SELECT * FROM INT_PROP', engine)

but this code fails:

from sqlalchemy import *
import pandas as pd
orcl_connect_string = 'oracle+cx_oracle://system:oracle@192.168.56.101:1521/?service_name=orcl'
engine = create_engine(orcl_connect_string)
read_sql_table('INT_PROP', engine)

Error message I get back:

/System/Library/Frameworks/Python.framework/Versions/2.7/bin/python2.7 "/Users/me/Google Drive/Me Projects/Pycharm/auto-profiler/profile_pandas.py"
Traceback (most recent call last):
  File "/Users/me/Google Drive/Me Projects/Pycharm/auto-profiler/profile_pandas.py", line 13, in <module>
    df = pd.read_sql_table(table_name_str, engine)
  File "/Library/Python/2.7/site-packages/pandas/io/sql.py", line 340, in read_sql_table
    raise ValueError("Table %s not found" % table_name)
ValueError: Table INT_PROP not found

I can’t think of any other extenuating circumstances – it’s a table, not a view, the userid logging in has full rights to the table in question. I’ve also tried adding the schema name and I get the same error back.

Versions:

Mac OS X 10.11 El Capitan (recently upgraded but had the same issue on 10.10 Yosemite)
Oracle 12c
Python 2.7.6
SQLAlchemy 1.0.8
Pandas 0.16.2

Problem occurs whether running from within Pycharm CE or running at the terminal console with python.

[thiagodma]

Thank you, @ChuliangXiao. Your solution worked for me.

[ChuliangXiao]

I had the same issue. Now solved. Try table name in lower case. Thanks to Basel Issmail from SO.