How to backup apps tables & compile JSP'S

How to backup apps tables: 
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create table fnd_oracle_userid_23dec2013 as select * from apps.fnd_oracle_userid;


create table fnd_user_23dec2013 as select * from apps.fnd_user;




How to compile JSP :
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perl ojspCompile.pl --compile --flush -p 2

or 

perl ojspCompile.pl --compile --flush -p 20 -log /tmp/ojspc_error2.log