SID | 
NUMBER | 
Session identifier (can be used to join this view with V$SESSION) | 
AUTHENTICATION_TYPE | 
VARCHAR2(26) | 
How the user was authenticated:
- 
DATABASE - Username/password authentication 
 
- 
OS - Operating system external user authentication 
 
- 
NETWORK - Network protocol or ANO authentication 
 
- 
PROXY - OCI proxy connection authentication 
 
- 
SERVER 
 
- 
PASSWORD 
 
- 
EXTERNAL ADAPTERS 
 
- 
INTERNAL 
 
- 
GLOBAL 
 
- 
EXTERNAL 
 
- 
PASSWORD BASED GLOBAL USER 
 
 
 | 
OSUSER | 
VARCHAR2(30) | 
External username for this database user | 
NETWORK_SERVICE_BANNER | 
VARCHAR2(4000) | 
Product banners for each Oracle Net service used for this connection (one row per banner) | 
CLIENT_CHARSET | 
VARCHAR2(40) | 
Client character set as specified in the NLS_LANG environment variable or in the OCIEnvNlsCreate() call; Unknown if the Oracle client is older than release 11.1 or the connection is through the JDBC thin driver | 
CLIENT_CONNECTION | 
VARCHAR2(13) | 
Client server connection flags:
- 
Heterogeneous 
 
- 
Homogeneous 
 
 
 | 
CLIENT_OCI_LIBRARY | 
VARCHAR2(27) | 
OCI client library:
 | 
CLIENT_VERSION | 
VARCHAR2(40) | 
Client library version number | 
CLIENT_DRIVER | 
VARCHAR2(9) | 
Client driver name | 
CLIENT_LOBATTR | 
VARCHAR2(23) | 
Client LOB flags:
- 
Client Temp Lob Rfc On 
 
- 
Client Temp Lob Rfc Off 
 
 
 | 
CLIENT_REGID | 
NUMBER | 
Query cache registration ID sent by the client |