Oracle Enterprise Manager Cloud Control 13c Release 3 (13.3.0.0) Installation on Oracle Linux 64 bit

[oracle@oem ~]$ sqlplus sys@OEMSTAR as sysdba

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Enter password:

Connected to:
Oracle Database 19c Enterprise Edition Release 19c.0.0 - Production
Version 19.3.0.0.0

SQL>

Recommended parameter changes for 19c repository database.

SQL> select name,open_mode from v$database;

NAME      OPEN_MODE
--------- --------------------
OEMSTAR   READ WRITE

SQL>

SQL> alter system set "_allow_insert_with_update_check"=true scope=both;

System altered.

SQL> alter system set session_cached_cursors=200 scope=spfile;

System altered.

SQL> alter system set shared_pool_size=600M scope=spfile;

System altered.

SQL> alter system set processes=600 scope=spfile;

System altered.

SQL>

SQL> shut immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup;
ORACLE instance started.

Total System Global Area 2432695144 bytes
Fixed Size                  8899432 bytes
Variable Size             536870912 bytes
Database Buffers         1879048192 bytes
Redo Buffers                7876608 bytes
Database mounted.
Database opened.
SQL> 

SQL> show parameter session_cached_cursors

NAME                                 TYPE        VALUE
------------------------------------ ----------- ------------------------------
session_cached_cursors               integer     200
SQL>
SQL> show parameter "_allow_insert_with_update_check"

NAME                                 TYPE        VALUE
------------------------------------ ----------- ------------------------------
_allow_insert_with_update_check      boolean     TRUE
SQL>
SQL> show parameter shared_pool_size

NAME                                 TYPE        VALUE
------------------------------------ ----------- ------------------------------
shared_pool_size                     big integer 608M
SQL>
SQL> show parameter processes

NAME                                 TYPE        VALUE
------------------------------------ ----------- ------------------------------
processes                            integer     600
SQL>