SGA_MAX_SIZE

Property	Description
Parameter type	Big integer
Syntax	`SGA_MAX_SIZE =` `integer` `[K \| M \| G]`
Default value	Initial size of SGA at startup, dependent on the sizes of different pools in the SGA, such as buffer cache, shared pool, large pool, and so on.
Modifiable	No
Range of values	0 to operating system-dependent

SGA_MAX_SIZE specifies the maximum size of the SGA for the lifetime of the instance.