-f|-function 
This BRSPACE command option specifies the function to be performed. You should always enter a function.
Syntax
-f|-function
dbstart|dbshut|dbalter|dbparam|dbcreate|dbshow|
tsextend|tscreate|tsdrop|tsalter|dfalter|dfmove|tbreorg|
idrebuild|tbexport|tbimport|tbalter|idalter|mstats
End of the code.
Default value: current status of database instance is displayed
Function Options
dbstart: starts the database
dbshut: shuts the database
dbalter: alters the database instance
dbparam: alters database parameters
dbcreate: recreates the database
dbshow: shows database information
tsextend: extends a tablespace
tscreate: creates a tablespace
tsdrop: drops a tablespace
tsalter: alters a tablespace
dfalter: alters a data file
dfmove: moves a data file
tbreorg: reorganizes tables
idrebuild: rebuilds indexes
tbexport: exports tables
tbimport: imports tables
tbalter: alters tables
idalter: alters indexes
mstats: manages database statistics