The statistics system table TABLESTATISTICS contains information about the structure and sizes of base tables.
TABLESTATISTICS
OWNER |
CHAR(32) |
Owner of the table |
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) |