Ixora Answers - Archive for September 2000

01-Sep-2000 00:42   Parallel execution latches
01-Sep-2000 02:08   Log 'sync cost ratio' again
01-Sep-2000 02:31   Fast full index scan vs. Unique index scan
01-Sep-2000 03:41   Bitmap-Index and Optimizer
01-Sep-2000 10:31   Asynchronous I/O for LGWR
01-Sep-2000 13:43   Library cache latch contention
01-Sep-2000 22:48   'CPU used by this session' and 'buffer busy waits'
02-Sep-2000 10:13   Redo space wait ratio
04-Sep-2000 14:37   X$ tables and keeping
05-Sep-2000 00:15   8i DBWn changes
05-Sep-2000 02:02   Why do the autotrace statistics show extra sorts?
05-Sep-2000 02:41   High-end storage systems
05-Sep-2000 08:05   X$ Tables
05-Sep-2000 09:52   Fast-start checkpointing
05-Sep-2000 15:58   Does it help if a temporary tablespace is NOLOGGING?
05-Sep-2000 20:55   Maximum number of rows in a block
06-Sep-2000 11:29   Invalidations in the sql area namespace
06-Sep-2000 12:48   Index updates
06-Sep-2000 13:22   Export, import and next extent size
06-Sep-2000 13:47   sparse_indexes.sql
06-Sep-2000 17:28   New APT script: child_sleeps.sql
06-Sep-2000 23:02   New APT scripts: dump_logfile.sql and redo_time.sql
06-Sep-2000 23:59   log_small_entry_max_size
07-Sep-2000 00:18   'table scan (long tables)'
07-Sep-2000 00:40   Drop table performance
07-Sep-2000 22:50   log file single write and log file parallel write
07-Sep-2000 23:44   NLS performance implications
07-Sep-2000 23:52   Can db_check.sh detect a hung listener?
08-Sep-2000 00:22   Quick I/O and priority_paging on Solaris
08-Sep-2000 00:31   Strange internal error
08-Sep-2000 02:17   Do the autotrace statistics include PLAN_TABLE blocks?
08-Sep-2000 09:33   20 invalidations per hour
08-Sep-2000 10:29   How to prevent DUAL having more than 1 row
08-Sep-2000 11:27   How to find "mysterious" table and column names
08-Sep-2000 11:59   Why "rows waited on: no row" in this deadlock?
08-Sep-2000 12:33   PRAGMA SERIALLY_REUSABLE
08-Sep-2000 13:18   buffer busy waits on undo header and index blocks
08-Sep-2000 15:06   Operating system concepts book
08-Sep-2000 20:12   Tuning for an intensively scanned table
11-Sep-2000 11:36   Copyright permission
11-Sep-2000 17:00   Parallel query and direct reads
11-Sep-2000 17:45   cache_size_threshold and 8i
12-Sep-2000 09:49   Top-N with a twist
12-Sep-2000 20:59   Disabling DML locks
12-Sep-2000 21:51   DG/UX page faults
12-Sep-2000 22:15   Cache hit rate keeps falling
13-Sep-2000 05:48   system_space_invaders.sql
13-Sep-2000 07:07   Do FK indexes with concatenated columns prevent shared locks?
13-Sep-2000 12:43   No subselect in explain plan
14-Sep-2000 15:07   Placement of RULE hint in INSERT SELECT
14-Sep-2000 17:18   Java memory usage data in 8.1.6
14-Sep-2000 21:40   Building tablespaces concurrently in Version 7
15-Sep-2000 10:16   CPU used by this session and involuntary context switches
15-Sep-2000 12:19   What is answers@ixora.com.au?
15-Sep-2000 13:38   trace_file_name.sql
15-Sep-2000 15:22   ORA-4030: Out of process memory
15-Sep-2000 15:37   Hash partitioning skew?
15-Sep-2000 16:53   _trace_files_public
15-Sep-2000 23:34   Undo header waits
16-Sep-2000 00:03   _release_insert_threshold
16-Sep-2000 00:30   Multiple datafiles per tablespace vs. one datafile per tablespace
18-Sep-2000 12:57   ORA-4030 after OPS upgrade to 8.0.5
18-Sep-2000 15:39   Multiple full table scans on the same object in the same query
18-Sep-2000 17:12   Parallel query slower than serial
18-Sep-2000 23:41   Event 10053
20-Sep-2000 06:14   Checkpoints
20-Sep-2000 12:59   Current SCN
21-Sep-2000 01:36   SELECT FOR UPDATE on parent table does not prevent conflicting DML against child
21-Sep-2000 21:08   Stripe element size for OLTP on raw
21-Sep-2000 22:26   Buffer busy waits reason code 1016
21-Sep-2000 22:50   INLIST ITERATOR or CONCATENATION
22-Sep-2000 00:41   Set operators and query transformation
22-Sep-2000 08:44   Parallelism forces cost-based optimization
22-Sep-2000 09:45   Reverse key indexes
22-Sep-2000 11:16   Solaris semaphore mechanism
22-Sep-2000 11:19   Reverse key index data density
22-Sep-2000 12:36   IOT range scan selectivity computation
22-Sep-2000 17:48   Striping, partitions, EMC disks and parallel processing
22-Sep-2000 19:57   log_buffer size
23-Sep-2000 00:02   Interpreting lgwr_stats.sql
23-Sep-2000 12:09   Latch wait posting
23-Sep-2000 12:27   Explanation of rollback wraps statistic
23-Sep-2000 13:32   PARSE_CALLS and EXECUTIONS in V$SQLAREA
25-Sep-2000 10:47   Should NUMBER datatype be given scale and precision?
25-Sep-2000 11:22   Ixora Answers announcement
27-Sep-2000 23:46   Can a shared cursor be immediately discarded?