V$LICENSE displays information about license limits.
| Column | Datatype | Description | 
|---|---|---|
SESSIONS_MAX | 
NUMBER | 
Maximum number of concurrent user sessions allowed for the instance | 
SESSIONS_WARNING | 
NUMBER | 
Warning limit for concurrent user sessions for the instance | 
SESSIONS_CURRENT | 
NUMBER | 
Current number of concurrent user sessions | 
SESSIONS_HIGHWATER | 
NUMBER | 
Highest number of concurrent user sessions since the instance started | 
USERS_MAX | 
NUMBER | 
Maximum number of named users allowed for the database | 
CPU_COUNT_CURRENT | 
NUMBER | 
Current number of logical CPUs or processors on the system | 
CPU_CORE_COUNT_CURRENT | 
NUMBER | 
Current number of CPU cores on the system (includes subcores of multicore CPUs, as well as single-core CPUs) | 
CPU_SOCKET_COUNT_CURRENT | 
NUMBER | 
Current number of CPU sockets on the system (represents an absolute count of CPU chips on the system, regardless of multithreading or multicore architectures) | 
CPU_COUNT_HIGHWATER | 
NUMBER | 
Highest number of logical CPUs or processors on the system since the instance started | 
CPU_CORE_COUNT_HIGHWATER | 
NUMBER | 
Highest number of CPU cores on the system since the instance started (includes subcores of multicore CPUs, as well as single-core CPUs) | 
CPU_SOCKET_COUNT_HIGHWATER | 
NUMBER | 
Highest number of CPU sockets on the system since the instance started (represents an absolute count of CPU chips on the system, regardless of multithreading or multicore architectures) | 
Note:
The availability of the CPU core count and CPU socket count statistics is subject to the operating system platform on which the Oracle Database is running. If a statistic is unavailable, the view will return NULL for the statistic value.