reg: data dictionary?

hello everybody,

how many indexes can be created for a table?

can you create a table with out a data element?

can you create a field with out a data element?

Give few names of cluster tables in sap?

Give few names of pooled tables in sap?

give few names of transparent tables?

what is table maintenance generator and how to create

that? What is the transaction code?

How to add new fields to a standard sap table ?

by

selva