Oracle 26ai ( on free vm )

export TWO_TASK=

sqlplus / as sysdba

SQL*Plus: Release 23.26.0.0.0 - Production on Wed Nov 5 14:25:30 2025
Version 23.26.0.0.0

Copyright (c) 1982, 2025, Oracle.  All rights reserved.


Connected to:
Oracle AI Database 26ai Free Release 23.26.0.0.0 - Develop, Learn, and Run for Free
Version 23.26.0.0.0

SQL> select * from dual;

D
-
X



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cat /opt/oracle/product/26ai/dbhomeFree/network/admin/tnsnames.ora
# tnsnames.ora Network Configuration File: /opt/oracle/product/26ai/dbhomeFree/network/admin/tnsnames.ora
# Generated by Oracle configuration tools.

FREE =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = FREE)
    )
  )

LISTENER_FREE =
  (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))


FREEPDB1 =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = FREEPDB1)
    )
  )