Oracle® Database Reference 11g Release 2 (11.2) Part Number E25513-03 |
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DBA_FEATURE_USAGE_STATISTICS
displays information about database feature usage statistics.
Column | Datatype | NULL | Description |
---|---|---|---|
DBID |
NUMBER |
NOT NULL |
Database identifier of the database being tracked |
NAME |
VARCHAR2(64) |
NOT NULL |
Name of the feature (see Table 4-1) |
VERSION |
VARCHAR2(17) |
NOT NULL |
Database version in which the feature was tracked |
DETECTED_USAGES |
NUMBER |
NOT NULL |
Number of times the system has detected usage for the feature |
TOTAL_SAMPLES |
NUMBER |
NOT NULL |
Number of times the system has woken up and checked for feature usage |
CURRENTLY_USED |
VARCHAR2(5) |
Indicates whether usage was detected the last time the system checked (TRUE ) or not (FALSE ) |
|
FIRST_USAGE_DATE |
DATE |
First sample time the system detected usage of the feature | |
LAST_USAGE_DATE |
DATE |
Last sample time the system detected usage of the feature | |
AUX_COUNT |
NUMBER |
This column stores feature-specific usage data in number format. | |
FEATURE_INFO |
CLOB |
This column stores feature-specific usage data in character format. | |
LAST_SAMPLE_DATE |
DATE |
Amount of time (in seconds) between the last two usage sample times | |
LAST_SAMPLE_PERIOD |
NUMBER |
Amount of time (in hours) between the last two usage sample times | |
SAMPLE_INTERVAL |
NUMBER |
Sample interval | |
DESCRIPTION |
VARCHAR2(128) |
Description of the feature and usage detection logic (see Table 4-1) |
Table 4-1 DBA_FEATURE_USAGE_STATISTICS Statistics
Name | Description |
---|---|
Logfile Multiplexing |
Multiple members are used in a single log file group |
Bigfile Tablespace |
Bigfile tablespace is being used |
Transportable Tablespace |
Transportable tablespace is being used |
Read Only Tablespace |
Read only tablespace is being used |
Deferred Open Read Only |
Deferred open read only feature is enabled |
Active Data Guard - Real-Time Query on Physical Standby |
Active Data Guard real-time query is enabled on a physical standby |
Backup Rollforward |
Backup Rollforward strategy is being used to backup the database. |
Data Recovery Advisor |
Data Recovery Advisor (DRA) is being used to repair the database. |
Resource Manager |
Oracle Database Resource Manager is being used to manage database resources. |
Server Flash Cache |
Database Smart Flash Cache is being used with this database. |
Server Parameter File |
The server parameter file (SPFILE) was used to startup the database. |
Shared Server |
The database is configured as Shared Server, where one server process can service multiple client programs. |
Spatial |
There is at least one usage of the Oracle Spatial index metadata table. |
Locator |
There is at least one usage of the Oracle Locator index metadata table. |
ADDM |
ADDM has been used. |
SQL Access Advisor |
SQL Access Advisor has been used. |
Undo Advisor |
Undo Advisor has been used. |
SQL Tuning Advisor |
SQL Tuning Advisor has been used. |
Segment Advisor |
Segment Advisor has been used. |
SQL Workload Manager |
SQL Workload Manager has been used. |
Tune MView |
Tune MView has been used. |
SQL Performance Analyzer |
SQL Performance Analyzer has been used. |
SQL Repair Advisor |
SQL Repair Advisor has been used. |
Advanced Replication |
Advanced Replication has been enabled. |
ASO native encryption and checksumming |
ASO network native encryption and checksumming is being used. |
Audit Options |
Audit options in use. |
Automatic Maintenance - Optimizer Statistics Gathering |
Automatic initiation of Optimizer Statistics Collection |
Automatic Maintenance - Space Advisor |
Automatic initiation of Space Advisor |
Automatic Maintenance - SQL Tuning Advisor |
Automatic initiation of SQL Tuning Advisor |
Automatic Segment Space Management (system) |
Extents of locally managed tablespaces are managed automatically by Oracle. |
Automatic Segment Space Management (user) |
Extents of locally managed user tablespaces are managed automatically by Oracle. |
Automatic SQL Execution Memory |
Sizing of work areas for all dedicated sessions (PGA) is automatic. |
Automatic Storage Management |
Automatic Storage Management has been enabled |
Automatic Undo Management |
Oracle automatically manages undo data using an UNDO tablespace. |
Automatic Workload Repository |
A manual Automatic Workload Repository (AWR) snapshot was taken in the last sample period. |
AWR Baseline |
At least one AWR Baseline has been created by the user |
AWR Baseline Template |
At least one AWR Baseline Template has been created by the user |
AWR Report |
At least one Workload Repository Report has been created by the user |
Backup Encryption |
Encrypted backups are being used. |
Baseline Adaptive Thresholds |
Adaptive Thresholds have been configured. |
Baseline Static Computations |
Static baseline statistics have been computed. |
Change-Aware Incremental Backup |
Track blocks that have changed in the database. |
Client Identifier |
Application User Proxy Authentication: Client Identifier is used at this specific time. |
Clusterwide Global Transactions |
Clusterwide Global Transactions is being used. |
Crossedition Triggers |
Crossedition triggers is being used. |
CSSCAN |
Oracle Database has been scanned at least once for character set:CSSCAN has been run at least once. |
Character Semantics |
Character length semantics is used in Oracle Database |
Character Set |
Character set is used in Oracle Database |
Data Guard |
Data Guard, a set of services, is being used to create, maintain, manage, and monitor one or more standby databases. |
Data Mining |
There exist Oracle Data Mining models in the database. |
Dynamic SGA |
The Oracle SGA has been dynamically resized through an ALTER SYSTEM SET statement. |
Editions |
Editions is being used. |
Editioning Views |
Editioning views is being used. |
EM Database Control |
EM Database Control Home Page has been visited at least once. |
EM Grid Control |
EM Grid Control Database Home Page has been visited at least once. |
Diagnostic Pack |
Diagnostic Pack related EM page has been visited at least once. |
Tuning Pack |
Tuning Pack related EM page has been visited at least once. |
File Mapping |
File Mapping, the mechanism that shows a complete mapping of a file to logical volumes and physical devices, is being used. |
Flashback Database |
Flashback Database, a rewind button for the database, is enabled |
Flashback Data Archive |
Flashback Data Archive, a historical repository of changes to data contained in a table, is used |
Internode Parallel Execution |
Internode Parallel Execution is being used. |
Label Security |
Oracle Label Security, that enables label-based access control Oracle applications, is being used. |
Oracle Database Vault |
Oracle Database Vault is being used |
Locally Managed Tablespaces (system) |
There exists tablespaces that are locally managed in the database. |
Locally Managed Tablespaces (user) |
There exists user tablespaces that are locally managed in the database. |
Messaging Gateway |
Messaging Gateway, that enables communication between non-Oracle messaging systems and Advanced Queuing (AQ), link configured. |
Very Large Memory |
Very Large Memory is enabled. |
Automatic Memory Tuning |
Automatic Memory Tuning is enabled. |
Automatic SGA Tuning |
Automatic SGA Tuning is enabled. |
Encrypted Tablespaces |
Encrypted Tablespaces is enabled. |
MTTR Advisor |
Mean Time to Recover Advisor is enabled. |
Multiple Block Sizes |
Multiple Block Sizes are being used with this database. |
OLAP - Analytic Workspaces |
OLAP - the analytic workspaces stored in the database. |
OLAP - Cubes |
OLAP - number of cubes in the OLAP catalog that are fully mapped and accessible by the OLAP API. |
Oracle Managed Files |
Database files are being managed by Oracle. |
Oracle Secure Backup |
Oracle Secure Backup is used for backups to tertiary storage. |
Parallel SQL DDL Execution |
Parallel SQL DDL Execution is being used. |
Parallel SQL DML Execution |
Parallel SQL DML Execution is being used. |
Parallel SQL Query Execution |
Parallel SQL Query Execution is being used. |
Partitioning (system) |
Oracle Partitioning option is being used - there is at least one partitioned object created. |
Partitioning (user) |
Oracle Partitioning option is being used - there is at least one user partitioned object created. |
Oracle Text |
Oracle Text is being used - there is at least one Oracle text index |
PL/SQL Native Compilation |
PL/SQL Native Compilation is being used - there is at least one natively compiled PL/SQL library unit in the database. |
Real Application Clusters (RAC) |
Oracle Real Application Clusters (Oracle RAC) is configured. |
Recovery Area |
The recovery area is configured. |
Recovery Manager (RMAN) |
Recovery Manager (RMAN) is being used to backup the database. |
RMAN - Disk Backup |
Recovery Manager (RMAN) is being used to backup the database to disk. |
RMAN - Tape Backup |
Recovery Manager (RMAN) is being used to backup the database to tape. |
Backup ZLIB Compression |
ZLIB compressed backups are being used. |
Backup BZIP2 Compression |
BZIP2 compressed backups are being used. |
Backup BASIC Compression |
BASIC compressed backups are being used. |
Backup LOW Compression |
LOW compressed backups are being used. |
Backup MEDIUM Compression |
MEDIUM compressed backups are being used. |
Backup HIGH Compression |
HIGH compressed backups are being used. |
Long-term Archival Backup |
Long-term archival backups are being used. |
Multi Section Backup |
Multi section backups are being used. |
Block Media Recovery |
Block Media Recovery is being used to repair the database. |
Restore Point |
Restore Points are being used as targets for Flashback |
Compression Advisor |
Compression Advisor has been used. |
Real-Time SQL Monitoring |
Real-Time SQL Monitoring Usage. |
SQL Tuning Set (user) |
A SQL Tuning Set has been created in the database in a user schema. |
SQL Tuning Set (system) |
A SQL Tuning Set has been created in the database in the SYS schema. |
Automatic SQL Tuning Advisor |
Automatic SQL Tuning Advisor has been used. |
SQL Profile |
SQL profiles have been used. |
Database Replay: Workload Capture |
Database Replay: Workload was ever captured. |
Database Replay: Workload Replay |
Database Replay: Workload was ever replayed. |
Streams (system) |
Oracle Streams processes have been configured |
Streams (user) |
Users have configured Oracle Streams AQ |
Transparent Gateway |
Heterogeneous Connectivity, access to a non-Oracle system, has been configured. |
Virtual Private Database (VPD) |
Virtual Private Database (VPD) policies are being used. |
Workspace Manager |
There is at least one version enabled table. |
XDB |
XDB feature is being used. |
Application Express |
Application Express feature is being used. |
LOB |
Persistent LOBs are being used. |
Object |
Object feature is being used. |
Extensibility |
Extensibility feature is being used. |
SQL Plan Management |
SQL Plan Management has been used. |
Rules Manager |
Rules Manager and Expression Filter |
Oracle Utility Datapump (Export) |
Oracle Utility Datapump (Export) has been used. |
Oracle Utility Datapump (Import) |
Oracle Utility Datapump (Import) has been used. |
Oracle Utility SQL Loader (Direct Path Load) |
Oracle Utility SQL Loader (Direct Path Load) has been used. |
Oracle Utility Metadata API |
Oracle Utility (Metadata API) has been used. |
Oracle Utility External Table |
Oracle Utility External Table has been used. |
Result Cache |
The Result Cache feature has been used. |
Transparent Data Encryption |
Transparent Database Encryption is being used. There is at least one column or tablespace that is encrypted. |
Oracle Multimedia |
Oracle Multimedia has been used |
Oracle Multimedia DICOM |
Oracle Multimedia DICOM (Digital Imaging and COmmunications in Medicine) has been used |
Materialized Views (User) |
User Materialized Views exist in the database |
Change Data Capture |
Change Data Capture exit in the database |
Services |
Oracle Services. |
Semantics/RDF |
A semantic network has been created indicating usage of the Oracle Semantics Feature. |
SecureFiles (user) |
SecureFiles is being used |
SecureFiles (system) |
SecureFiles is being used by system users |
SecureFile Encryption (user) |
SecureFile Encryption is being used |
SecureFile Encryption (system) |
SecureFile Encryption is being used by system users |
SecureFile Compression (user) |
SecureFile Compression is being used |
SecureFile Compression (system) |
SecureFile Compression is being used by system users |
SecureFile Deduplication (user) |
SecureFile Deduplication is being used |
SecureFile Deduplication (system) |
SecureFile Deduplication is being used by system users |
Segment Advisor (user) |
Segment Advisor has been used. There is at least one user task executed. |
HeapCompression |
Heap Compression is being used |
Hybrid Columnar Compression |
Hybrid Columnar Compression is used |
Segment Shrink |
Segment Shrink has been used. |
Job Scheduler |
Job Scheduler feature is being used. |
Oracle Java Virtual Machine (user) |
OJVM has been used by at least one non-system user |
Oracle Java Virtual Machine (system) |
OJVM default system users |
Exadata |
Exadata is being used |