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    
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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 0   
Medium 15 Local hit ratio 
Long 20 Local hit ratio 
Heading 0   
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