Read individual field values from a data frame
db_df = pd.read_sql("select brms_file_check_notify_pkg.decrypt(a.login_id) password_dr,
a.* from file_check_notification a" " where sysdate > next_run and file_check_id = 3" , ebsconn)
ebsconn.close()
print('DB is queried for tab1..')
hostname = db_df.loc[0].at['host']
username = db_df.loc[0].at['login_id']
password = db_df.loc[0].at['password_dr']
location = db_df.loc[0].at['location']
subject = db_df.loc[0].at['email_subject']
protocol = db_df.loc[0].at['protocol_type']
