ORA-00821: Specified value of sga_target 4072M is too small, needs to be at least 13896M，数据恢复技术服务

ORA-00821: Specified value of sga_target 4072M is too small, needs to be at least 13896M，数据恢复技术服务-->解决方法

ORA-00821: Specified value of sga_target 4072M is too small, needs to be at least 13896M

SQL> startup
ORA-01031: insufficient privileges
SQL> connect sys / as sysdba
Enter password: 
Connected to an idle instance.
SQL> startup
ORACLE instance started.

Total System Global Area 1610612736 bytes
Fixed Size          2021152 bytes
Variable Size    1543506144 bytes
Database Buffers           50331648 bytes
Redo Buffers       14753792 bytes
Database mounted.
Database opened.