Test Your Understanding

1. 1. Which of the following are correct statements?

   a. A custom type can have two supertypes

   b. A custom type can be a supertype of two other types

   c. A custom type can be a supertype of dm_document

   d. A custom type can be a subtype of dm_document

2. 2. It is desired to store invoice documents in the repository. The only specific metadata to be stored with the invoice is an invoice number. Which of the following are feasible approaches for this purpose?

   a. Store the invoices as dm_document objects and use the subject property to store the invoice number

   b. Store the invoices as dm_document objects and add a property called inv_number to store the invoice number

   c. Store the invoices as objects of a custom type invoice and add a property called inv_number to store the invoice number

   d. None of the above

3. 3. A custom property can have the following data type:

   a. Alphabetical

   b. Alphanumeric

   c. ASCII

   d. String

4. 4. The following privilege is required to create a NULL type:

   a. Create...