ORA-12919: Can not drop the default permanent tablespace

SQL> drop tablespace users including contents and datafiles;
drop tablespace users including contents and datafiles
*
ERROR at line 1:
ORA-12919: Can not drop the default permanent tablespace


SQL> alter database default tablespace user1;

Database altered.

SQL>  drop tablespace users including contents and datafiles;

Tablespace dropped.

USERNAME                       DEFAULT_TABLESPACE
------------------------------ ------------------------------
ORACLE_OCM                     USER1
OJVMSYS                        USER1
SYSKM                          USER1
XS$NULL                        USER1
GSMCATUSER                     USER1
MDDATA                         USER1
AUDSYS                         USER1
DIP                            USER1
SYSDG                          USER1
SPATIAL_CSW_ADMIN_USR          USER1
SPATIAL_WFS_ADMIN_USR          USER1
GSMUSER                        USER1
SYSBACKUP                      USER1
SYSTEM                         SYSTEM
SYS                            SYSTEM

How To Change SYS Password On ExaCC

Changing Oracle Database SYS user password is more complicated in Exacc Gen 2 environment.

The following should be considered, and takes action appropriately when changing SYS user password:

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