SYSIQDBSPACE system view

Presents group information from ISYSIQDBSPACE in a readable format.

Column name

Column type

Description

dbspace_id

small int

Each dbspace in a database is assigned a unique number (dbspace ID)

last_modified

timestamp

Time at which the dbspace's read-write status was last modified

segment_type

char(8)

Segment type: Main, Temp or Msg

read_write

char(1)

'T' – read writable, 'F' – read only

online

char(1)

'T' – online; 'F' – offline

create_txn_id

xact_id

Transaction ID that create the dbspace

alter_txn_id

xact_id

Transaction ID that last modified read_write status

striping_on

char(1)

'T' – disk striping on; 'F' – disk striping off

stripe_size_kb

unsigned int

Number of kilobytes written to each file of the dbspace before the disk striping algorithm moves to the next dbfile

Constraints on underlying system table

Primary key (dbspace_id)

Foreign key (dbspace_id) references SYS.ISYSDBSPACE(dbspace_id)