creating and maintaining the table
i have to create a table with follwing requirements
can you give me the detailed description to do this.
· Custom table for maintaining the projects and field values (ZMMITEMTYPEMAPPINGS).
o The table is to be maintainable by the user in PRD. The table is to be maintained using transaction ZMMITEMTYPEMAP.
o Table is to contain three fields: Product hierarchy, Item Type and Origin Group.
o All three fields are required in the table.
Table is to always arrange the values in the ascending order of the product hierarchy
and then by the item type.
o Validation to be done on the product hierarchy
o Validations to be done on the Origin group field.
o There are to be no duplicates for the combination of product hierarchy, item type and origin group.
o There are to be no duplicates for the combination of product hierarchy and item type.
o Once entered all the fields are to be grayed out.
o The program is to have copy and delete functionality similar to table ZMMAPCMAPPINGS.