1. Create an Oracle user for monitoring.

2. Set the user name and password in host macros ({$ORACLE.USER} and {$ORACLE.PASSWORD}).
  Do not forget to install the Microsoft ODBC driver on the Zabbix server or the Zabbix proxy.
  See Oracle documentation for instructions: https://www.oracle.com/database/technologies/releasenote-odbc-ic.html.

  Note! Credentials in the odbc.ini do not work for Oracle.
  Note! Be sure that ODBC connects to Oracle with session parameter NLS_NUMERIC_CHARACTERS= '.,' It is important for correct display float numbers in Zabbix.
The "Service's TCP port state" item uses {HOST.CONN} and {$ORACLE.PORT} macros to check the availability of the listener.


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