SQL>
ALTER PLUGGABLE DATABASE ORCL19 OPEN UPGRADE;
SQL> ALTER PLUGGABLE DATABASE ORCL19 OPEN UPGRADE
*
ERROR at line 1:
ORA-14693: The MAX_STRING_SIZE parameter must be EXTENDED.
Help: https://docs.oracle.com/error-help/db/ora-14693/
SQL> SHOW PARAMETER max_string_size;
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
max_string_size string STANDARD
SQL> SHUTDOWN IMMEDIATE;
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> ALTER SYSTEM SET max_string_size=EXTENDED SCOPE=SPFILE;
ALTER SYSTEM SET max_string_size=EXTENDED SCOPE=SPFILE
*
ERROR at line 1:
ORA-01034: The Oracle instance is not available for use. Start the instance.
Process ID: 0
Session ID: 0 Serial number: 0
Help: https://docs.oracle.com/error-help/db/ora-01034/
SQL> STARTUP UPGRADE;
ORACLE instance started.
Total System Global Area 6120784560 bytes
Fixed Size 5022384 bytes
Variable Size 1124073472 bytes
Database Buffers 4982833152 bytes
Redo Buffers 8855552 bytes
Database mounted.
Database opened.
SQL> ALTER SYSTEM SET max_string_size=EXTENDED SCOPE=SPFILE;
System altered.
SQL> @?/rdbms/admin/utl32k.sql
Session altered.
Session altered.
DOC>#######################################################################
DOC>#######################################################################
DOC> The following statement will cause an "ORA-01722: invalid number"
DOC> error if the database has not been opened for UPGRADE.
DOC>
DOC> Perform a "SHUTDOWN ABORT" and
DOC> restart using UPGRADE.
DOC>#######################################################################
DOC>#######################################################################
DOC>#
no rows selected
DOC>#######################################################################
DOC>#######################################################################
DOC> The following statement will cause an "ORA-01722: invalid number"
DOC> error if the database does not have compatible >= 12.0.0
DOC>
DOC> Set compatible >= 12.0.0 and retry.
DOC>#######################################################################
DOC>#######################################################################
DOC>#
PL/SQL procedure successfully completed.
Session altered.
0 rows updated.
Commit complete.
System altered.
PL/SQL procedure successfully completed.
Commit complete.
System altered.
Session altered.
Session altered.
Table created.
Table created.
Table created.
Table truncated.
0 rows created.
PL/SQL procedure successfully completed.
STARTTIME
--------------------------------------------------------------------------------
03/02/2026 13:55:45.089424000
PL/SQL procedure successfully completed.
No errors.
PL/SQL procedure successfully completed.
Session altered.
Session altered.
0 rows created.
no rows selected
no rows selected
DOC>#######################################################################
DOC>#######################################################################
DOC> The following statement will cause an "ORA-01722: invalid number"
DOC> error if we encountered an error while modifying a column to
DOC> account for data type length change as a result of enabling or
DOC> disabling 32k types.
DOC>
DOC> Contact Oracle support for assistance.
DOC>#######################################################################
DOC>#######################################################################
DOC>#
PL/SQL procedure successfully completed.
PL/SQL procedure successfully completed.
Commit complete.
Package altered.
Session altered.
SQL> SHUTDOWN IMMEDIATE;
ORA-00603: ORACLE server session terminated by irrecoverable error
ORA-01092: ORACLE instance terminated. Disconnection forced
ORA-01013: User requested cancel of current operation.
Process ID: 5168
Session ID: 625 Serial number: 8539
Help: https://docs.oracle.com/error-help/db/ora-00603/
SQL> SHUTDOWN ABORT;
ORA-24324: service handle not initialized
Help: https://docs.oracle.com/error-help/db/ora-24324/
ORA-01041: internal error. hostdef extension doesn't exist
SQL> Disconnected from Oracle AI Database 26ai Enterprise Edition Release 23.26.1.0.0 - Production
Version 23.26.1.0.0
[oracle@centos9 admin]$ sqlplus / as sysdba
SQL*Plus: Release 23.26.1.0.0 - Production on Mon Mar 2 13:58:56 2026
Version 23.26.1.0.0
Copyright (c) 1982, 2025, Oracle. All rights reserved.
Connected to an idle instance.
SQL> SHUTDOWN ABORT;
ORACLE instance shut down.
SQL> starup ;
SP2-0042: unknown command "starup " - rest of line ignored.
Help: https://docs.oracle.com/error-help/db/sp2-0042/
SQL> startup ;
ORACLE instance started.
Total System Global Area 6120784560 bytes
Fixed Size 5022384 bytes
Variable Size 1124073472 bytes
Database Buffers 4982833152 bytes
Redo Buffers 8855552 bytes
Database mounted.
Database opened.
SQL> show parameter max_string_size
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
max_string_size string EXTENDED
