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Function documentation Properties of Database Parameters Locate the document in its SAP Library structure

Use

In addition to its current value, each database parameter has additional properties that describe it in further detail. These properties are defined in the default parameter file cserv.pcf (see Configuration Files).

Properties of Database Parameters

Property

Permitted Values

Description

CASESENSITIVE

YES | NO

Case-sensitive

CHANGE

NO | RUNNING | OFFLINE

Specifies whether and in which operational state the parameter can be changed

NO = cannot be changed

RUNNING = can be changed in ONLINE and ADMIN operational state

OFFLINE = can only be changed in OFFLINE operational state

CLEAR

YES | NO

When copying the parameters from an existing database instance to a new database instance, this parameter may not be transferred (for example, path of the run directory)

DISPLAYNAME

Character string, may contain blank characters

Name that is displayed instead of the parameter name in the Database Manager GUI

DYNAMIC

YES | NO

The default parameter file contains placeholders for the parameter (such as DATAVOL_?).

GROUP

GENERAL | EXTENDED | SUPPORT | NO | TRACE

Group to which the parameter belongs:

GENERAL: General Database Parameter

EXTENDED: Special Database Parameter

SUPPORT: Support Database Parameter

NO: Parameter is not displayed in the Database Manager GUI

TRACE: Parameter for the database trace, database check and monitor

INSTANCES

LVC | OLTP

Database instance to which the parameter is relevant:

LVC = SAP liveCache

OLTP = OLTP (MySQL MaxDB)

Not specified: Valid for all database instance types

INTERN

YES | NO

YES = Value required for internal calculations

LASTKNOWNGOOD

 

Last valid value (value that the parameter had the last time the database instance was started successfully)

MANDATORY

YES | NO

YES = Parameter has to be filled with a value (not null and not empty)

MAX

 

Maximum value

MIN

 

Minimum value

MODIFY

YES | NO

Specifies whether the parameter can still be changed after the database instance is created (for example, NO for the RUNDIRECTORY parameter)

VALUESET

The individual values have to be separated from each other by blank characters or tabs.

For character string parameters, the permitted character string constants have to be placed in quotation marks.

Value set

VOLUME

YES | NO

Type of parameter:

YES = Volume parameter

NO = Kernel parameter

Example

param_getproperties RUNDIRECTORY

 

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