4.286 DBA_HIGH_WATER_MARK_STATISTICS
DBA_HIGH_WATER_MARK_STATISTICS displays information about database high-watermark statistics.
| Column | Datatype | NULL | Description |
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Identifier of the database for which the high-watermark statistics are tracked |
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Name of the high-watermark statistic (see Table 4-1) |
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Database version in which the high watermarks were tracked |
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Highest value of the statistic seen at sampling time |
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Value of the statistic at the last sample time |
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Description of the high-watermark statistics (see Table 4-1) |
Table 4-1 DBA_HIGH_WATER_MARK_STATISTICS Statistics
| Name | Description |
|---|---|
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ACTIVE_SESSIONS |
Maximum Number of Active Sessions seen in the system |
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CPU_COUNT |
Maximum Number of CPUs |
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DATAFILES |
Maximum Number of Datafiles |
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DB_SIZE |
Maximum Size of the Database (Bytes) |
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EXADATA_DISKS |
Number of physical disks |
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INSTANCES |
Oracle Database instances |
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PART_INDEXES |
Maximum Number of Partitions belonging to an User Index |
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PART_TABLES |
Maximum Number of Partitions belonging to an User Table |
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QUERY_LENGTH |
Maximum Query Length |
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SEGMENT_SIZE |
Size of Largest Segment (Bytes) |
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SESSIONS |
Maximum Number of Concurrent Sessions seen in the database |
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SQL_NCHAR_COLUMNS |
Maximum Number of SQL NCHAR Columns |
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TABLESPACES |
Maximum Number of Tablespaces |
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USER_INDEXES |
Number of User Indexes |
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USER_MV |
Maximum Number of Materialized Views (User) |
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USER_TABLES |
Number of User Tables |