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TABLESTATISTICS 
The TABLESTATISTICS statistics system table contains information about the structure and sizes of base tables.
TABLESTATISTICS
|
OWNER |
CHAR(32) |
Table owner |
|
TABLENAME |
CHAR(32) |
Table name |
|
DESCRIPTION |
CHAR(40) |
Description (see table Column DESCRIPTION) of how to interpret following columns |
|
CHAR_VALUE |
CHAR(12) |
Alphanumeric value |
|
NUMERIC_VALUE |
FIXED(10) |
Numeric value |
Column DESCRIPTION
|
Value |
Explanation |
|
Root pno |
NUMERIC_VALUE contains the page number of the root of the B* tree |
|
Filetype |
CHAR_VALUE contains the type of the B* tree |
|
Used pages |
NUMERIC_VALUE indicates how many pages are used by the table |
|
Index pages |
NUMERIC_VALUE indicates how many pages are used by the table in the B* tree index |
|
Leaf pages |
NUMERIC_VALUE indicates how many leaf pages are used by the table |
|
Index levels |
NUMERIC_VALUE contains the number of index levels of the B* tree |
|
Space used in all pages(%) |
NUMERIC_VALUE contains the used space of all pages in the B* tree (as a percentage) |
|
Space used in root page(%) |
NUMERIC_VALUE contains the used space of the root page in the B* tree (as a percentage) |
|
Space used in index pages(%) |
NUMERIC_VALUE contains the used space of the index pages in the B* tree (as a percentage) |
|
Space used in index pages(%) min |
NUMERIC_VALUE contains the minimum used space of the index pages in the B* tree (as a percentage) |
|
Space used in index pages(%) max |
NUMERIC_VALUE contains the maximum used space of the index pages in the B* tree (as a percentage) |
|
Space used in leaf pages(%) |
NUMERIC_VALUE contains the used space of the leaf pages in the B* tree (as a percentage) |
|
Space used in leaf pages(%) min |
NUMERIC_VALUE contains the minimum used space of the leaf pages in the B* tree (as a percentage) |
|
Space used in leaf pages(%) max |
NUMERIC_VALUE contains the maximum used space of the leaf pages in the B* tree (as a percentage) |
|
Rows |
NUMERIC_VALUE contains the number of rows in the table |
|
Avg rows per page |
NUMERIC_VALUE contains the average number of rows for each page |
|
Min rows per page |
NUMERIC_VALUE contains the minimum number of rows for each page |
|
Max rows per page |
NUMERIC_VALUE contains the maximum number of rows for each page |
|
Avg row length |
NUMERIC_VALUE contains the average length of a row |
|
Min row length |
NUMERIC_VALUE contains the minimum length of a row |
|
Max row length |
NUMERIC_VALUE contains the maximum length of a row |
|
Avg key length |
NUMERIC_VALUE contains the average length of a key |
|
Min key length |
NUMERIC_VALUE contains the minimum length of a key |
|
Max key length |
NUMERIC_VALUE contains the maximum length of a key |
|
Avg separator length |
NUMERIC_VALUE contains the average length of a separator |
|
Min separator length |
NUMERIC_VALUE contains the minimum length of a separator |
|
Max separator length |
NUMERIC_VALUE contains the maximum length of a separator |
|
Defined LONG columns |
NUMERIC_VALUE contains the number of defined LONG columns |
|
Avg LONG column length |
NUMERIC_VALUE contains the average length of a LONG column |
|
Min LONG column length |
NUMERIC_VALUE contains the minimum length of a LONG column |
|
Max LONG column length |
NUMERIC_VALUE contains the maximum length of a LONG column |
|
LONG column pages |
NUMERIC_VALUE contains the number of pages of all the LONG columns in the table |
|
Avg pages per LONG column |
NUMERIC_VALUE contains the average number of pages in the table for each LONG column |
|
Min pages per LONG column |
NUMERIC_VALUE contains the smallest LONG column in the table (in pages) |
|
Max pages per LONG column |
NUMERIC_VALUE contains the largest LONG column in the table (in pages) |
