# SYSSTATISTICS system table

Describes the schemas within the current database.

Column Name | Type | Length | Nullability | Contents
--- | --- | --- | --- | ---
STATID | CHAR | 36 | false | unique identifier for the statistic
REFERENCEID | CHAR | 36 | false | the conglomerate for which the statistic was created (join with SYSCONGLOMERATES. CONGLOMERATEID)
TABLEID | CHAR | 36 | false | the table for which the information is collected
CREATIONTIMESTAMP | TIMESTAMP |  | false | time when this statistic was created or updated
TYPE | CHAR | 1 | false | type of statistics
VALID | BOOLEAN |  | false | whether the statistic is still valid
COLCOUNT | INTEGER |  | false | number of columns in the statistic
STATISTICS | org.apache. derby.catalog. Statistics: This class is not part of the public API. |  | true | statistics information

Parent topic: Derby system tables