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The _T table summarizes the data per timeslice.

The _D table summarizes the data per day. 

The _W table summarizes the data per week.

The _M table summarizes the data per month.

(N <table_name>) means normalized, the actual name can be retrieved from the <table_name>.

Column NameColumn Description
ORSS_SHVThe statement hash value.
ORSS_TIMESTAMPTime the session was sampled.
ORSS_PWHG_IDID of the hour group that matches the time sampled.
ORSS_DURATION_SUMTotal elapsed time.
ORSS_IN_ORACLE_TIME_SUMTotal time spent inside Oracle.
ORSS_REQUEST_WAIT_TIME_SUMTotal time spent waiting for client requests.
ORSS_OR_OR_COMM_WAIT_TIME_SUMTotal time Oracle spent waiting for another Oracle instance.
ORSS_RSRC_MNGR_WAIT_TIME_SUMThe time Oracle spent waiting for a resource to become available, if the database manager is enabled.
ORSS_RAC_OPS_WAIT_TIME_SUMThe time Oracle spent waiting for RAC or OPS synchronization.
ORSS_OR_CL_COMM_WAIT_TIMEThe time Oracle spent waiting for data sent to the client (usually as a result of a SELECT statement), or data sent from a client (usually as a result of bind variables).
ORSS_MINUTES_COUNT_SUMTotal amount of minutes summed in that row.
ORSS_MTS_WAIT_TIME_SUMTotal time spent waiting for a multithreaded server.
ORSS_MISC_TIME_SUMTotal time spent waiting for miscellaneous waits.
ORSS_USING_CPU_TIME_SUMTotal time of CPU use.
ORSS_CPU_WAIT_TIME_SUMTotal time spent waiting for CPU.
ORSS_IO_WAIT_TIME_SUMTotal time spent waiting for I/O.
ORSS_MEMORY_WAIT_TIME_SUMTotal time spent waiting for memory.
ORSS_OTHER_HOST_WAIT_TIME_SUMTotal time spent waiting for another host.
ORSS_TABLE_LOCK_WAIT_TIME_SUMTotal time spent waiting for a table lock.
ORSS_ROW_LOCK_WAIT_TIME_SUMTotal time spent waiting for a row lock.
ORSS_SHARED_POOL_WAIT_TIME_SUMTotal time spent waiting for a shared pool (library cache or row cache).
ORSS_BUFFER_WAIT_TIME_SUMTotal time spent waiting for buffer waits.
ORSS_ROLLBACK_SEG_WAIT_TIME_SUMTotal time spent waiting for a rollback segment.
ORSS_REDO_BUFFER_WAIT_TIME_SUMTotal time spent waiting for redo log buffers.
ORSS_LOG_S_AND_C_WAIT_TIME_SUMTotal time spent waiting for a log switch.
ORSS_OTHER_LOCK_WAIT_TIMEOther lock wait is for all the locking that does not fall in the other locking states. It is for Streams, Latches and other internal locking in Oracle.
ORSS_BG_PROCESS_WAIT_TIME_SUMTotal time spent waiting for a background process.
ORSS_PQ_SYNC_WAIT_TIME_SUMTotal time spent waiting for a parallel query synchronization.
ORSS_PQ_SERVER_WAIT_TIME_SUMTotal time spent waiting for a parallel query server.
ORSS_OTHER_WAIT_TIME_SUMTotal time spent waiting for other waits.
ORSS_CONSISTENT_GETS_STAT_SUMTotal number of buffers for a consistent read.
ORSS_DB_BLOCK_GETS_STAT_SUMTotal number of buffers for a current read.
ORSS_OTR_INT_LCK_WAIT_STAT_SUMTotal number of enqueue waits.
ORSS_EXEC_COUNT_TOTAL_STAT_SUMTotal number of times

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EXECUTE was called.
ORSS_PARSE_COUNT_TOTL_STAT_SUMTotal number of

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times PARSE was called.
ORSS_PARSE_COUNT_HARD_STAT_SUMTotal number of

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times PARSE HARD was called (had to re-parse).
ORSS_PARSE_TIME_CPU_STAT_SUMTotal CPU time spent on parsing.
ORSS_RECURSIVE_CALLS_STAT_SUMTotal number of recursive calls.
ORSS_SORT_MEMORY_STAT_SUMTotal number of sorts done in memory.
ORSS_SORT_DISK_STAT_SUMTotal number of sorts done on disk.
ORSS_TABLE_SCAN_LONG_STAT_SUMTotal number of long table scans.
ORSS_USER_CALLS_STAT_SUMTotal number of user calls.
ORSS_PHYSICAL_READS_STAT_SUMTotal number of disk reads.
ORSS_PWII_INSTANCE_IDID of the instance.
ORSS_OPENS_AND_FETCHES_SUMTotal number of open and fetches.
ORSS_PARENT_SHVName of the PL/SQL that ran the SQL statement.
ORSS_MIN_PARALLEL_DEGREE_MINMinimum parallel degree used to run the statement.
ORSS_MAX_PARALLEL_DEGREE_MAXMaximum parallel degree used to run the statement.
ORSS_RECEIVED_TIMESTAMPTimestamp at which the row was loaded into the PMDB.
ORSS_BUFFER_GETS_SUMTotal time spent getting buffers.
ORSS_ROWS_PROCESSED_SUMTotal number of rows processed.
ORSS_EXEC_NO_SUMTotal number of statement executions.
ORSS_SQL_ID_MINMinimum

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Oracle's SQL ID.
ORSS_HASH_VALUE_MINMinimum

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Oracle's hash value.
ORSS_PLAN_HASH_VALUE

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Oracle's plan hash value.
ORSS_END_OF_FETCH_COUNT_SUMNumber of END OF FETCHs.
ORSS_VERSION_COUNT_MAXNumber of versions.







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