What is table "sh\$sys_storage_table_alias" and why /how is it part of my scoped application?

[raking08]

I am getting validation errors with a new scoped application   and want to delete the table, but want to know where it came from first. It has no columns, no data. I am getting similar errors with table "Sh$sys Storage Alias"

What is the result if I simply delete these?

thanks

r

[rahul1359]

can some one explain what is a  "sh$" table and why is it created? what are its uses is it ok ignore them

[Sathya Prabu]

Shadow tables are created for Rollback contexts. When the records are deleted from task table (for example), sh$task table will be created and all the records will be saved there to be used; if you hit Rollback. There is a rollback expiration property which will cleanse the table by creating a scheduled job.