## TABLESTORAGEDETAILS

### Definition

The system table TABLESTORAGEDETAILS contains information about the structure and size of tables.

### Structure

TABLESTORAGEDETAILS

SCHEMANAME | CHAR(32) | Name of the schema
TABLENAME | CHAR(32) | Name of the table
TREELEVELCOUNT | FIXED(3) | Number of B* tree index levels
AVGSEPARATORLENGTH | FIXED(4) | Average separator length
MINSEPARATORLENGTH | FIXED(4) | Minimum separator length
MAXSEPARATORLENGTH | FIXED(4) | Maximum separator length
AVGUSEDSIZEPERCENTAGEINLEAVES | FIXED(3) | Average fill level of the pages that contain data
MINUSEDSIZEPERCENTAGEINLEAVES | FIXED(3) | Minimum fill level of a page that contains data
MAXUSEDSIZEPERCENTAGEINLEAVES | FIXED(3) | Maximum fill level of a page that contains data
AVGROWCOUNTPERLEAF | FIXED(5) | Average number of table rows per page
MINROWCOUNTPERLEAF | FIXED(5) | Minimum number of table rows on a page
MAXROWCOUNTPERLEAF | FIXED(5) | Maximum number of table rows on a page
AVGROWLENGTH | FIXED(5) | Average length of the table rows
MINROWLENGTH | FIXED(5) | Length of the shortest table row
MAXROWLENGTH | FIXED(5) | Length of the longest table row
DEFINEDLOBCOLUMNCOUNT | FIXED(10) | Number of LONG column values that are not NULL
AVGLOBCOLUMNLENGTH | FIXED(10) | Average length of all potentially existing LONG column values
MINLOBCOLUMNLENGTH | FIXED(10) | Minimum length of an existing LONG column value
MAXLOBCOLUMNLENGTH | FIXED(10) | Maximum length of an existing LONG column value
CLUSTERCOUNT | FIXED(10) | Number of pages stored in clusters

See also:

FILES

Concepts of the Database System, Logical Access Structures