Showing Index Partitions with BR*Tools

Use

You can use BR*Tools  for Oracle to show information about index partitions.

Procedure

...

       1.      Start the procedure using BRGUI or BRTOOLS, or from the command line:

Ў        BRGUI or BRTOOLS:

                                                  i.       Choose Segment management ® Additional segment functions  ® Show index partitions.

BRGUI or BRTOOLS displays the menu BRSPACE main options for showing database information, where you specify the options with which you call BRSPACE.

                                                ii.       Set the required options:

Menu Entry

Equivalent BRSPACE

Command Option

BRSPACE profile (profile)

-p|-profile

Database user/password (user)

-u|-user

Database tablespace (tablespace)

-f dbshow -s|-tablespace

Database table (table)

-f dbshow -t|-table

Database index (index)

-f dbshow -i|-index

If required, in Database table you can enter the names of multiple tables or indexes by using wildcards. For more information, see “Selecting Objects“ in Segment Management with BR*Tools.

In Database tablespace, you can specify multiple objects but you cannot  use wildcards.

BRSPACE processes all the index partitions in the specified tablespace(s), or the index partitions belonging to the specified owner(s), table(s), or index(es).

                                               iii.       Choose Continue.

BRGUI or BRTOOLS displays a further menu, Additional BRSPACE options for showing database information, where you specify the additional options with which you call BRSPACE.

Menu Entry

Equivalent BRSPACE

Command Option

Create log file (log)

-f dbshow -l|-log

Confirmation mode (confirm)

-c|-confirm

Extended output (output)

-o|-output

Scrolling line count (scroll)

-s|-scroll

Message language (language)

-l|-language

BRSPACE command line (command)

This shows you the BRSPACE -f dbshow -c ipinfo command that is to be executed using the current settings.

                                               iv.       Choose Continue

BRGUI or BRTOOLS prompts you to start BRSPACE.

                                                 v.       Choose Continue to start BRSPACE.

Ў        Command line:

...

Enter at least the following command:

brspace –f dbshow –c ipinfo

You can enter more parameters if required. For more information, see BRSPACE -f dbshow.

BRSPACE starts and you see a message that includes Start of BRSPACE processing. From now on, BRSPACE writes a detail log if you set the option Create log file (parameter –l|-log).

If you started BRSPACE from the command line without the information class name (-c|-class) – that is, with brspace –f dbshow – BRSPACE displays the Show database information main menu.

Choose Show database segment information ® Show index partitions.

       2.      If you have already entered a single index name, continue with step 4.

BRSPACE displays the List of index partitions:

List Entry

Meaning

Pos.

List sequence number

Owner

Partition owner

Table

Table name

Index

Index name

Partition

Partition name

Tablespace

Tablespace name

Analyzed

Date last analyzed by update statistics

Rows

Number of rows

NextExt[KB]

Next extent size

MaxExts

Maximum number of extents possible

       3.         To see more information, select one or more index partitions.

These examples only apply to input in character mode.

To select the first three entries in the list, enter 1-3.

To select the first and third entries, enter 1,3.

To select the first three entries and the fifth, enter 1-3,5.

To select all entries, enter 0.

BRSPACE displays Information about index partition:

List Entry

Meaning

Hash partition (hash)

Hash partition: yes or no

Table name (table)

Table name

Tablespace name (tablespace)

Tablespace name

Last analyzed (analyzed)

Date last analyzed by update statistics

Sample size (sample)

Sample size of update statistics

Number of rows (rows)

Number of rows

Next extent size in KB (next)

Next extent size

Maximum number of extents (maxexts)

Maximum number of extents possible

       4.      If you specified multiple index partitions, choose Continue to scroll through.

Results

If you set the option Create log file (parameter –l|-log), check the results in the BRSPACE logs.

·        The summary log space<DBSID>.logdisplays the return code.

·        The detail log s<encoded timestamp>.dbw displays the details.

For more information on how to view the logs with BR*Tools, see Showing Logs and Profiles with BR*Tools.