Which of the following can be accessed using the key in a hashed internal table?

A hashed internal table in SAP is specifically designed for efficient data retrieval. The most defining characteristic of a hashed internal table is that it uses a unique key to ensure that each entry can be accessed quickly. When you insert entries into a hashed internal table, the system creates an internal structure that allows for rapid lookup of values based on their unique key.

This uniqueness is critical because it enables the hashing mechanism to quickly compute a position in the internal structure where the data associated with that key resides. If the keys were not unique, it would result in ambiguity during data retrieval, as multiple entries could correspond to the same key, which would undermine the primary advantage of using hashed internal tables.

While other types of internal tables might allow for non-unique or duplicate keys, such is not the case with hashed internal tables, as they fundamentally rely on the integrity of unique keys to function optimally. Hence, having a unique key is not just a requirement; it is the cornerstone of how hashed internal tables operate, making them suitable for operations that require fast lookups.