SQL> select name ,instance_name, startup_time from v$database, v$instance;

NAME INSTANCE_NAME STARTUP_T

T24MU t24mu2 15-NOV-24

NAME	INSTANCE_NAME	STARTUP_T
T24MU	t24mu2	15-NOV-24

SQL> show pdbs -- if cdb

SP2-0158: unknown SHOW option "--"
SP2-0158: unknown SHOW option "if"
SP2-0158: unknown SHOW option "cdb"
SQL> show pdbs

SQL> select * from V$ONLINE_REDEF;

SID SERIAL# REDEFINITION_ID TABLE_OWNER ORIGINAL_TABLE_NAME INTERIM_TABLE_NAME PARTITION_NAME OPERATION SUBOPERATION DETAILED_MESSAGE PROGRESS REFRESH_STATEMENT_SQL_ID REFRESH_STATEMENT CON_ID

11891 36867 22 T24PROD FBNK_AC_C002 FBNK_AC_C002B START_REDEF_TABLE complete refresh MVs step 6 out of 7 ghusbaq62jb0u /* MV_REFRESH (INS) */INSERT /*+ APPEND SKIP_UNQ_UNUSABLE_IDX */ INTO "T24PROD". "FBNK_AC_C002B"("RECID","XMLRECORD") SELECT "FBNK_AC_C002"."RECID" "RECID",SYS_M AKEXML("FBNK_AC_C002"."SYS_NC00003$") "XMLRECORD" FROM "T24PROD"."FBNK_AC_C002" "FBNK_AC_C002" 0

SID	SERIAL#	REDEFINITION_ID	TABLE_OWNER	ORIGINAL_TABLE_NAME	INTERIM_TABLE_NAME	PARTITION_NAME	OPERATION	SUBOPERATION	DETAILED_MESSAGE	PROGRESS	REFRESH_STATEMENT_SQL_ID	REFRESH_STATEMENT	CON_ID
11891	36867	22	T24PROD	FBNK_AC_C002	FBNK_AC_C002B		START_REDEF_TABLE	complete refresh MVs		step 6 out of 7	ghusbaq62jb0u	/* MV_REFRESH (INS) /INSERT /+ APPEND SKIP_UNQ_UNUSABLE_IDX */ INTO "T24PROD". "FBNK_AC_C002B"("RECID","XMLRECORD") SELECT "FBNK_AC_C002"."RECID" "RECID",SYS_M AKEXML("FBNK_AC_C002"."SYS_NC00003$") "XMLRECORD" FROM "T24PROD"."FBNK_AC_C002" "FBNK_AC_C002"	0

SQL> spool off