How to check free space in Db2?

How to check free space in Db2?

To determine how much free space exists below the high water mark:

  1. Formulate a SELECT statement that incorporates the MON_GET_TABLESPACE table function to report on the state of your table spaces.
  2. Run the statement.
  3. Use the following formula to determine the number of free pages below the high water mark:

How to check tablespace is full in Db2?

Check the type of the table space by running the following SQL.

  1. Connect to the database with user ID that has DBADM authority or equivalent. db2 connect to [database]
  2. TBSP_UTILIZATION administrative view returns attribute value for the table space.

How to check table space for a table in Db2?

You may connect to the DB2 database to check the table space usage.

  1. Login to the SSIM appliance using PuTTY or comparable SSH-client application.
  2. Login as user “db2admin”.
  3. run “db2 connect to sesa”
  4. run “db2 list tablespaces show detail”

How do you calculate tablespace?

To get the tablespace for a particular Oracle table: SQL> select tablespace_name from all_tables where owner = ‘USR00’ and table_name = ‘Z303’; To get the tablespaces for all Oracle tables in a particular library: SQL> select table_name, tablespace_name from all_tables where owner = ‘USR00’;

How do I find the size of a DB2 database?

How to calculate the size of a DB2 database

  1. Connect to the database for which you want to know the size and maximum capacity.
  2. Execute the procedure GET_DBSIZE_INFO.
  3. Close the connection.

What are tablespaces in DB2?

A Db2 table space is a set of volumes on disks that hold the data sets in which tables are actually stored. Every table is stored in table space. A table space consists of a number of VSAM linear data sets. Table spaces are divided into equal-sized units, called pages .

What is tablespace and index space in DB2?

What is maximum size of table space in DB2?

If you are using db2 V9, the maximum size is 2 TB for a tablespace with 4KB page size. In version 8 of db2, the max size is 64 Gb for 4k page size. The tablespace was created new in db2 9.1.

What is tablespace in DB2?

How do I find the size of a tablespace in SQL Developer?

On the SQL Developer’s left-hand side in the connections panel, do right-click on the connected user in the above step. Choose Manage Database from the menu. The system tab will open to display the tablespace information shown in the below screen on the right-hand side.

How do I reduce the size of my DB2 database?

You can use any of the following options:

  1. ALTER TABLESPACE statement with a REDUCE option. Reduces the Pending free extent.
  2. ALTER TABLESPACE statement with a REDUCE option (with size specified) Reduces pending free extents and other free extents by a specified size.
  3. ALTER TABLESPACE statement with REDUCE MAX option.

How do you determine database size from OS level?

DB size can be verified from the transaction DB02. If you want to see the allocated file system size at OS level, then yes it is the same as the size allocated (used space out of total space of that particular file system) to /oracle/SID/sapdata*.

How many types of tablespaces are there in DB2?

Each database must contain at least three tablespaces as given here: Catalog tablespace. User tablespace. Temporary tablespace.

Why are tablespaces used for?

A table space is a storage structure containing tables, indexes, large objects, and long data. They are used to organize data in a database into logical storage groupings that relate to where data is stored on a system. Table spaces are stored in database partition groups.

What is DB2 table space?

What is index space in DB2?

An index space is a DB2® storage structure that contains a single index. When you create an index by using the CREATE INDEX statement, an index space is automatically defined in the same database as the table. You can define a unique name for the index space, or DB2 can derive a unique name for you.

What is the difference between table and tablespace in DB2?

How do I check my Psaptemp usage?

1 Answer. tablespaces -> Days -> Double click on the date when the job was executed. By this you can get the approximate PSAPTEMP being utilized.

Why is temp tablespace full?

It is completely normal for the TEMP tablespace to show at 100% full, and this does not mean that it is out of space. If you truly run out of space in the TEMP tablespace you will receive the ORA-01652 unable to extend temp segment error message.

How to find a full table space name in db2diag?

Search for ADM6044E or ADM6017E messages in db2diag.log file, and find the table space name which became full. Check the type of the tables pace by running the following SQL.

How do I recover unused table space in DB2?

First, check whether the table space is reclaimable or not. Reclaimable storage is a feature of non-temporary automatic storage and DMS table spaces created in Db2 V9.7 and later. You can use an ALTER TABLESPACE statement to return unused extents in your table space to the system for reuse.

How much free space does userspace1 have in table space?

Using the information from the report in step 2, the free space below the high water mark for USERSPACE1 would be 2496 – (4064 – 1696) = 128 pages. This represents just slightly over 5% of the total free pages available in the table space.

How can I determine how much table space is currently in use?

You can determine how much of your table space is currently in use with the MON_GET_TABLESPACE table function. The information this function returns can help you determine whether you should attempt to reclaim free storage.