## SERVERDBSTATISTICS

### Definition

The statistics system table SERVERDBSTATISTICS contains information about the used space in the database instance.

### Structure

SERVERDBSTATISTICS

SERVERDBSIZE | FIXED(10) | Database instance size in pages
MAXDATAPAGENO | FIXED(10) | Highest page number of the database instance
MAXPERM | FIXED(10) | Number of pages of the database instance that can be used for non-temporary objects
MAXUSEDPAGES | FIXED(10) | Maximum number of used pages for a synchronization point (restart or savepoint)
USEDPERM | FIXED(10) | Number of pages of the database instance used for non-temporary objects
PCTUSEDPERM | FIXED(10) | Percentage of pages used for non-temporary objects
USEDTMP | FIXED(10) | Number of database instance pages used for temporary objects
PCTUSEDTMP | FIXED(10) | Percentage of pages used for temporary objects
UNUSED | FIXED(10) | Number of unused pages
PCTUNUSED | FIXED(10) | Percentage share of unused pages
UPDATEDPERM | FIXED(10) | Number of modified pages for permanent objects
SERVERDBFULL | CHAR(3) | YES: database instance full NO: database instance not full
USEDBLOCKS | FIXED(10) | Number of blocks on data volumes that are used by pages
LOGSIZE | FIXED(10) | Size of the log area in pages
USEDLOG | FIXED(10) | Number of log pages used
PCTUSEDLOG | FIXED(10) | Percentage of log pages used
PCTLOGNOTSAVED | FIXED(10) | Number of log pages not saved
PCTLOGNOTSAVED | FIXED(10) | Percentage of log pages not yet saved
LOGSINCEBACKUP | FIXED(10) | Number of log pages written since the last complete or incremental data backup
LOGSEGMENTSIZE | FIXED(10) | Size of a log segment in pages
SAVEPOINTS | FIXED(10) | Number of savepoints executed
CHECKPOINTS | FIXED(10) | 0 (the number of checkpoints is always set to 0.)

The system table SERVERDBSTATISTICS exists only to enable compatibility with older database versions. Instead of the system table SERVERDBSTATISTICS, use the system tables DATASTATISTICS and LOGSTATISTICS.