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Database Administration
Reference : Virtual System Tables : Virtual system table summaries : Block (_Block)
 
Block (_Block)
The _Block VST displays information about a specific block.1
Field name
Data type
Description
_Block-Area
INTEGER
Block area number
_Block-BkupCtr
INTEGER
Backup counter
_Block-Block
CHARACTER
Data section of the block
_Block-ChainType
CHARACTER
Chain type
_Block-Dbkey
INT64
Dbkey
_Block-NextDbkey
INT64
Next Dbkey in the appropriate chain
_Block-Type
CHARACTER
Type of block
_Block-Update
INTEGER
Number of times the block has been updated
1 Activity and status of ABL temp-tables is available in this virtual system table. The statistics gathered allow you to monitor the operation and performance of deployed client temp-tables. Specify the range of temp-tables to track with the -ttbasetable and -tttablerangesize startup parameters. Specify temp table indexes with -ttbaseindex and -ttindexrangesize startup parameters. For more information monitoring and debugging temp tables with VSTs, see OpenEdge Development: Debugging and Troubleshooting.