GV$LICENSE

select
inst_id,                 -- INST_ID NUMBER
ksullms,                 -- SESSIONS_MAX NUMBER
ksullws,                 -- SESSIONS_WARNING NUMBER
ksullcs,                 -- SESSIONS_CURRENT NUMBER
ksullhs,                 -- SESSIONS_HIGHWATER NUMBER
ksullmu,                 -- USERS_MAX NUMBER
cpu_count,               -- CPU_COUNT_CURRENT NUMBER
cpu_count_hwm            -- CPU_COUNT_HIGHWATER NUMBER
from
x$ksull
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