Oracle PL/SQL Tutorial/System Tables Data Dictionary/V SGA
30. Display SGA area sizes.
<source lang="sql">
SQL> SQL> SQL> select Name, Value
2 from V$SGA;
NAME VALUE
----------
Fixed Size 1287016 Variable Size 104860824 Database Buffers 176160768 Redo Buffers 2904064 4 rows selected. SQL> SQL></source>