[oracle@host05 ~]$ sqlplus / as sysdba

SQL*Plus: Release 11.2.0.4.0 Production on Wed Sep 15 13:46:01 2021

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Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
With the Partitioning, Oracle Label Security, OLAP, Data Mining,
Oracle Database Vault and Real Application Testing options

SQL> show parameter memory

NAME TYPE VALUE

hi_shared_memory_address integer 0
memory_max_target big integer 980M
memory_target big integer 980M
shared_memory_address integer 0
SQL> show parameter sga

NAME TYPE VALUE

lock_sga boolean FALSE
pre_page_sga boolean FALSE
sga_max_size big integer 980M
sga_target big integer 0
SQL> show parameter pga

NAME TYPE VALUE

pga_aggregate_target big integer 0
SQL> alter system set sga_max_size=900M scope=spfile ;
alter system set sga_target=10M ;
alter system set pga_aggregate_target =1M scope=spfile ;
System altered.

SQL>
System altered.

SQL>

System altered.

SQL> shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup
ORA-00823: Specified value of sga_target greater than sga_max_size
SQL>

sga_target设置的值小于sga_max_size设置的值 怎么还会报ORA-00823: Specified value of sga_target greater than sga_max_size这个报错