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?