Indexes Tab Page
This tab page displays the information on one single index at a time.
Grid
The segments of the index are shown in a grid, and their attributes U/C and DESC are displayed as well. The U/C information is retrieved from the attribute DF_INDEX_SEGMENT_CASE, and the DESC information is retrieved from the attribute DF_INDEX_SEGMENT_DIRECTION.
Current Index
This spinform shows the number of the current order in the datagrid. You can change the current order by clicking the up/down spin buttons or pressing the up/down arrow keys. Spinning skips the indexes that are not in use and stops when the last index is found. Indexes are present when the attribute DF_INDEX_NUMBER_SEGMENTS returns a value greater than zero.
Segments
The number of index segments that make up this index. The information is retrieved by using the DF_INDEX_NUMBER_SEGMENTS attribute.
Levels
The amount of levels in use by the current index. The information is retrieved by using the DF_INDEX_LEVELS attribute.
Keylength
The length in bytes of the current key (index). The information is retrieved by using the DF_INDEX_KEY_LENGTH attribute.
Buffers
This form shows the number of buffers currently in use for this index. The information is retrieved via the DF_INDEX_NUMBER_BUFFERS attribute.
Online
This checkbox is selected if the index is not a batch index. The information is retrieved from the DF_INDEX_TYPE attribute.
Primary Index
This checkbox is selected if the current index is the primary index for the currently opened table. The information is retrieved from the DF_FILE_PRIMARY_INDEX attribute.
Additional Information for SQL Databases
Index Type
- Server
- Client Only
- Server Only
- Temporary
Clustered
Checked when it is a clustered index.
Name
This is the index name and is only present when the option "Use Index Names" is selected.