SAP ABAP Data Element DB2CLHITRA (Dynamic Statement Cache Local Hit Ratio)
Hierarchy
SAP_BASIS (Software Component) SAP Basis Component
   BC-DB-DB2 (Application Component) DB2 for z/OS
     STU3 (Package) Development Class for Database Monitor
Basic Data
Data Element DB2CLHITRA
Short Description Dynamic Statement Cache Local Hit Ratio  
Data Type
Category of Dictionary Type D   Domain
Type of Object Referenced     No Information
Domain / Name of Reference Type DB2DEC5_2    
Data Type DEC   Counter or amount field with comma and sign 
Length 5    
Decimal Places 2    
Output Length 7    
Value Table      
Further Characteristics
Search Help: Name    
Search Help: Parameters    
Parameter ID   
Default Component name    
Change document    
No Input History    
Basic direction is set to LTR    
No BIDI Filtering    
Field Label
  Length  Field Label  
Short  
Medium 15 Local hit ratio 
Long 20 Local hit ratio 
Heading  
Documentation

Definition

The local hit ratio is defined as

100 * QXSTNPRP / (QXSTNPRP + QXSTIPRP)

where:
QXSTNPRP:
The number of times that DB2 did not prepare a statement bound with KEEPDYNAMIC(YES) because the prepared statement cache contained a valid copy of the prepared statement.

QXSTIPRP:
The number of times that DB2 did an implicit prepare for a statement bound with KEEPDYNAMIC(YES) because the prepared statement cache did not contain a valid copy of the prepared statement.

History
Last changed by/on SAP  20070813 
SAP Release Created in 710