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-g

hcat -g mygroup ...

Tells HCatalog that the table which needs to be created must have group "mygroup".

-p

hcat -p rwxr-xr-x ...

Tells HCatalog that the table which needs to be created must have permissions "rwxr-xr-x".

-f

hcat -f myscript.hcatalog ...

Tells HCatalog that myscript.hcatalog is a file containing DDL commands to execute.

-e

hcat -e 'create table mytable(a int);' ...

Tells HCatalog to treat the following string as a DDL command and execute it.

-D

hcat -Dkey=value ...

Passes the key-value pair to HCatalog as a Java System Property.

hcat

Prints a usage message.