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How to find SGA and PGA values

Here is the way to find to SGA and PGA Values

SQL> select * from v$sga;

NAME                      VALUE
-------------------- ----------
Fixed Size           ##########
Variable Size        ##########
Database Buffers     ##########
Redo Buffers         ##########

 SQL> show sga;

 Total System Global Area  530288640 bytes
Fixed Size                  2256864 bytes
Variable Size             394264608 bytes
Database Buffers          125829120 bytes
Redo Buffers                7938048 bytes

SQL> select max (pga_used_mem) / 1024/1024 M from v$process;

          M
----------

123.972422

SQL> show parameter pga

NAME                                 TYPE        VALUE
------------------------------------ ----------- ----------------
pga_aggregate_target                 big integer 0
SQL> select * from v$pgastat;

NAME                      VALUE UNIT
-------------------- ---------- --------------------
aggregate PGA target ########## bytes
 parameter

aggregate PGA auto t ########## bytes
arget

global memory bound  ########## bytes
total PGA inuse      ########## bytes
total PGA allocated  ########## bytes
maximum PGA allocate ########## bytes
d

NAME                      VALUE UNIT
-------------------- ---------- --------------------

total freeable PGA m ########## bytes
emory

process count        ##########
max processes count  ##########
PGA memory freed bac ########## bytes
k to OS

total PGA used for a ########## bytes
uto workareas

NAME                      VALUE UNIT
-------------------- ---------- --------------------

maximum PGA used for ########## bytes
 auto workareas

total PGA used for m ########## bytes
anual workareas

maximum PGA used for ########## bytes
 manual workareas

over allocation coun ##########

NAME                      VALUE UNIT
-------------------- ---------- --------------------
t

bytes processed      ########## bytes
extra bytes read/wri ########## bytes
tten

cache hit percentage ########## percent
recompute count (tot ##########
al)


19 rows selected.

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