How do you check which tablespace a table belongs to in DB2?
Finding container information for DB2 UDB
- Connect to the database PROD as the instance owner.
- Enter the following query to display all the tablespaces in the table TABLE01.
- After locating the tablespace name, enter the following command to find the container path name: $db2 list tablespaces.
What is tablespace 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 (LDSs). You can also explicitly define table spaces by issuing CREATE TABLESPACE statements.
How do I find tablespace state?
You may connect to the DB2 database to check the table space usage.
- Login to the SSIM appliance using PuTTY or comparable SSH-client application.
- Login as user “db2admin”.
- run “db2 connect to sesa”
- run “db2 list tablespaces show detail”
What are the different types of tablespaces in DB2?
Types of DB2 table spaces
- Universal (UTS) table spaces.
- Segmented (non-UTS) table spaces (deprecated)
- Partitioned (non-UTS) table spaces (deprecated)
- EA-enabled table spaces and index spaces.
- Large object table spaces.
- XML table spaces.
- Simple table spaces (deprecated)
What is db2pd command?
The command db2pd -applications -dynamic reports the current and last anchor ID and statement unique ID for dynamic SQL statements. This allows direct mapping from an application to a dynamic SQL statement.
What is a container in Db2?
In a single container deployment, the database software and all of its component parts reside within one container. The container sits on one system and resources are shared by all the containerized components. An example of a single container deployment would be the Db2 Community Edition for Docker.
What is tablespace name?
A tablespace is a storage location where the actual data underlying database objects can be kept. It provides a layer of abstraction between physical and logical data, and serves to allocate storage for all DBMS managed segments. Once created, a tablespace can be referred to by name when creating database segments.
What is Page in Db2?
Pages are the unit of management within a buffer pool. The unit of I/O is one or more pages chained together. Db2 makes a getpage request operation whenever there is a need to access data in a page, either in an index or a table, such as when executing an SQL statement.
What does the Db2 precompiler do?
The Db2 precompiler scans a program and copies all of the SQL statements and host variable information into a DBRM (database request module). The precompiler also returns source code that has been modified so that the SQL statements do not cause errors when you compile the program.
What is DMS tablespace in Db2?
In a DMS (database managed space) table space, the database manager controls the storage space. Unlike SMS table spaces, storage space is pre-allocated on the file system based on container definitions that you specify when you create the DMS table space.
How do I run db2top?
To run in replay mode, db2top must be first run in data collector mode, either in batch mode by running db2top from the command line with the -C parameter, or by activating or deactivating data collection from an interactive session by pressing C. This will create a file
How can I check my hadr status?
To check the DB2 HADR status, use the db2pd command. See the TAKEOVER HADR command topic. Review the command parameters and the usage notes to determine whether to perform the takeover.