monTableCompression

Description

Contains the table’s compression history. Enable the enable monitoring and per object statistics active configuration parameters for this monitoring table to collect data.

Columns

The columns for monTableCompression are:

Name

Datatype

Attributes

Description

InstanceID

int

(Cluster Edition only) Server instance ID

DBID

int

ID of the database to which this table was transferred

TableID

int

Table ID of the compressed table

PartitionID

int

ID of the compressed partition

TableName

varchar

statnull

Name of the compressed table

CompRowInserted

int

Counter, monitor

Number of compressed rows inserted

CompRowUpdated

int

Counter, monitor

Number of updated compressed rows

CompRowForward

int

Counter, monitor

Number of compressed rows forwarded from the update

CompRowScan

int

Counter, monitor

Number of compressed rows accessed

RowPageDecompressed

int

Number of page-compressed rows decompressed to be row-compressed

RowDecompressed

int

Counter, monitor

Number of rows decompressed

ColDecompressed

int

Counter, monitor

Number of columns decompressed

RowCompNoneed

int

Counter, statnull

Number of rows not compressed because their compressed row length exceeded their normal row length

PageCompNoneed

int

Counter, statnull

Number of pages that are not suitable for page-level compression because Adaptive Server cannot generate a dictionary or index

PagesCompressed

int

Counter, monitor

Number of pages compressed at the page-level

BytesSavedPageLevel

int

Counter, monitor

Number of bytes page level compression saved