Oracle9iAS Discoverer Plus and Viewer Configuration Guide
Release 4.1 for UNIX

A90288-01

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C
Oracle9iAS Discoverer Preference Settings

C.1 Preference settings in pref.txt

For more information about changing settings in the pref.txt file, refer to Section 2.4, "Editing the End User Preferences".

Affected Feature   Preference Item Name  Description  Default/Values 

Locator 

MachineIPs 

IP addresses or machine names of all Discoverer Server Application server. This is the only required item in the pref.txt file. 

 

Administrator 

ShowUserTypeChoice 

Activates an end-user checkbox that allows users to specify whether they want to run Discoverer Plus against an Oracle Application. Not used by Discoverer Viewer (specified in viewer_config.xml instead). 

0 ( 0=hide checkbox, 1=show checkbox) 

 

DefaultUserTypeIsApps 

Specifies that users run Discoverer Plus by default against an Oracle Application. Not used by Discoverer Viewer (specified in disco4iv.xml instead). 

0 (0=No, 1=Yes) 

Session Manager 

Timeout 

Amount of time after which Discoverer disconnects an idle session from the database. Minimum time is 180 seconds. 

1800 (seconds) 

 

RowsPerHTML 

Number of rows to display per HTML page. 

25 (any whole number) 

Application 

CacheFlushPercentage 

Percentage of cache flushed if the cache is full. 

25 

 

MaxVirtualDiskMem 

Maximum amount of disk memory allowed for the data cache. 

1024000000 

 

MaxVirtualHeapMem 

Maximum amount of heap memory allowed for the data cache. 

1024000000 

 

QueryBehavior 

Action to take after opening a workbook. 

0 (0 = Run Query Automatically, 1 = Don't Run Query, 2 = Ask for Confirmation) 

 

ShowDialogBitmaps 

End users see the bitmap graphics on Discoverer Plus dialogs. 

1 (0 = off, 1 = on) 

 

DataFormat 

Applies HTML formatting to data cells in worksheets. 

"<fontFormat fontName="Dialog" pitch="10" bold="false" italic="false" underline="false" strikethrough="false" foreground="0,0,0" background="255, 255, 255" halign="right" valign="top"></fontFormat>" 

 

HeadingFormat 

Applies HTML formatting to heading cells in worksheets. 

"<fontFormat fontName="Dialog" pitch="10" bold="false" italic="false" underline="false" strikethrough="false" foreground="0,0,0" background="204, 204, 204" halign="left" valign="top"></fontFormat>" 

 

TotalsFormat 

Applies HTML formatting to cells that contain totals in worksheets. 

"<fontFormat fontName="Dialog" pitch="10" bold="false" italic="false" underline="false" strikethrough="false" foreground="0,0,0" background="255, 255, 255" halign="left" valign="top"></fontFormat>" 

 

NullValue 

Specifies how null values are displayed in worksheets, for example, "NULL", "N/A", "0". 

"NULL" 

 

ExcelVersion 

Specifies the version of Excel to export to.

Different versions of Excel impose different limits on the number of rows per sheet:

  • the Excel95 limit is 16384 rows per sheet

  • the Excel97 limit is 65536 rows per sheet

If the limit is exceeded, Discoverer places the exported rows on a new sheet. 

"Excel95"

("Excel97") 

Database 

DisableFanTrapDetection 

Disables detection for fan trap in user queries. 

0 (0 = on, 1 = off) 

 

DisableMultiJoinDetection 

Disables multiple join detection. 

1 (0 = on, 1 = off) 

 

DisableAutoQuery 

If set to 0, queries do not automatically run when a worksheet opens. 

0 (0 = on, 1 = off) 

 

DisableAutoOuterJoinsOn
Filters 

Turn off Automatic Outer Joins on filters. 

0 (0 = on, 1 = off) 

 

ItemClassDelay 

Fetch list of values for this amount of time before timing out. 

15 (seconds) 

 

PredictionThresholdSeconds 

Warn user if the predicted query time will exceed the number of seconds. 

60 (seconds) 

 

PredictionThresholdSeconds
Enabled 

Query prediction threshold disabled (0) or enabled (1). 

 

QueryTimeLimit 

Limit on query time in seconds. 

1800 (seconds) 

 

QueryTimeLimitEnabled 

Query time limit disabled (0) or enabled (1). 

 

RowFetchLimit 

The maximum number of rows fetched. 

10000 (rows) 

 

RowFetchLimitEnabled 

RowFetchLimit parameter is disabled (0) or enabled (1). 

 

RowsPerFetch 

The number of rows to fetch at once. 

100 (rows) 

 

SummaryThreshold 

Use summary table only if it is no older than this number of days. 

30 (days)

0 do not use summary at all 

 

SummaryThresholdEnabled 

If enabled (1), will use the value specified by SummaryThreshold. Otherwise, Discoverer will always use summary tables if they are available. 

 

MaterializedViewRedirectionBehavior 

8.1.6 Materialized View Redirection. 

0 (0=always when available, 1=always when summary data not stale, 2=never) 

 

DefaultEUL 

Sets the EUL you want all users to connect to. Each user can override this default from the Discoverer Plus Options dialog. 

Any EUL you have created. 

Oracle Applications Mode 

AppsGWYUID 

Specifies the public username and password for the AOL security DLL. 

"APPLSYSPUB/PUB" 

 

AppsFNDNAM 

Specifies the schema in which certain vital Oracle Applications data is stored. 

"APPS" 

Internal settings 

BusinessAreaFastFetchLevel 

Controls the amount of pre-caching that occurs for components and items whenever a Business Area is fetched. 

 

ObjectsAlwaysAccessible 

Verify that Business Area objects and items exist in the database. 

0 (0=verify; 1=don't verify and assume that the objects and items exist) 

 

SummaryObjectsUseCachedAccessibility 

Controls whether to access the summary-derived objects in the cache. 

 

AvoidServerWildcardBug 

Set to 1 if running against RDBMS 7.3.2 with NLS_LANG set to Japanese_Japan.JA16SJIS to avoid certain list box appearing empty. 

 

RdbFastSQLOff 

 

Query Prediction and Performance 

QPPEnable 

Uses query prediction/performance (QPP) if set to 1. 

1 (0 = false, 1 = true) 

 

QPPCreateNewStats 

Records new statistics if set to 1. 

1 (0 = false, 1 = true) 

 

QPPLoadStatsByObjectUseKey 

Records statistics for same objects first if set to 1. 

1 (0 = false, 1 = true) 

 

QPPUseCpuTime 

Query prediction uses CPU time within its algorithm. 

1 (0 = false, 1 = true) 

 

QPPAvgCostTimeAlgorithm 

 

 

QPPMaxObjectUseKey 

Affects the amount of statistics to cache in memory for query prediction. 

30 

 

QPPCBOEnforced 

Will use cost-based optimizer if set to 1. Will use default optimizer if set to 0. 

 

QPPObtainCostMethod 

 

 

QPPMinCost 

Only records or uses statistics with a cost greater than this value. 

 

QPPMaxStats 

Only loads this many previous statistics. 

500 

 

QPPMinActCpuTime 

Only records or uses statistics with a CPU time greater than this value. 

 

QPPMinActElapsedTime 

Only records or uses statistics with an actual elapsed time greater than this value. 

 

QPPMinEstElapsedTime 

Only records or uses statistics with an estimated elapsed time greater than this value. 

 

UseOptimizerHints 

Will add optimized hints to SQL if
set 1. 

 

QuerySQLFastFetchLevel 

 

 

SQLTrace 

False (off).

 

Crosstab Layout 

Title 

Displays titles that were created in Discoverer 3.1 worksheets. 

1 (0 = no, 1 = yes) 

 

Cell XGridline 

Show horizontal gridlines. 

0 (0 = no, 1 = yes) 

 

Cell YGridline 

Show vertical gridlines. 

0 (0 = no, 1 = yes) 

 

Axis Style 

Crosstab axis position. 

2 (1 = inline, 2 = outline) 

Table Layout 

Title 

Displays titles that were created in Discoverer 3.1 worksheets. 

1 (0 = no, 1 = yes) 

 

Cell XGridline 

Show horizontal gridlines. 

0 (0 = no, 1 = yes) 

 

Cell YGridline 

Show vertical gridlines. 

0 (0 = no, 1 = yes) 

 

Row Headings 

Display row numbers on table worksheets. 

0 (0 = no, 1 = yes) 


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