DB2 Basic Commands




Basic DB2 Commands
  • Size of your database:
    • =>db2 'call get_dbsize_info(?,?,?,0)'
  • Version of DB2 you are running:
    • =>db2level
  • Stop the db2 instance
    • =>db2stop
  • Stop an instance that has current connections
    • =>db2 force applications all
    • =>db2 deactivate db <dbname>
    • =>db2 terminate
    • =>db2stop force
    • =>ipclean
  • Start the db2 instance
    • =>db2start
Kill a hung instance (last resort)
  • =>db2_kill -all
List the databases in an instance
  • =>db2 list db directory
List the cataloged nodes
  • =>db2 list node directory
Show the database manager configuration settings
  • =>db2 get dbm cfg
Show the database level configuration settings
  • =>db2 get db cfg for <dbname>
Activate a database
  • =>db2 activate db <dbname>
Deactivate a database
  • =>db2 deactivate db <dbname>
View the DB2 License
  • =>db2licm -l
To switch between partitions
  • =>db2 terminate; export DB2NODE=<new-node-num>

 

###Restart  a DB2 DPF system
Stop:
=====
db2stop force 
db2_all "ipclean -a"

Start:
======
db2start admin mode user <instance_id> restricted access 
db2_all "<<+0< db2 restart db DBNAME"  
db2_all "<<-0<||db2 restart db DBNAME" 
db2 -v "unquiesce instance INSTNAME"     
db2 "activate db DBNAME"

Verification:
=============
1.  db2_all "db2 connect to DBNAME; db2 values current node; db2 terminate"
2.  db2 "get snapshot for database manager" => should show all nodes are active

IBM DB2 UDB for Linux, Unix and Windows Command Reference



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