A _____ assigns each row to a group of linked blocks, called a bucket.

Question

BlackTom AI · Accepted Answer

The prompt asks: 'A _____ assigns each row to a group of linked blocks, called a bucket.'

Given data shows the proposed answer as 'hash table'.

Since there are no alternative answer options provided, I can focus on explaining why 'hash table' is an appropriate fill-in.

A hash table is a data structure that uses a hash function to compute an index (or bucket) from a key. Each bucket can hold one or more entries, and when multiple entries hash to the same bucket (a collision), those entries are typically stored in a linked list or other chaining structure within that bucket. This description matches the idea of assigning each row to a group of linked blocks called a bucket, where the bucket groups related records that share the same hashed index.

Why this works: the hash function distributes rows across multiple buckets to enable fast lookup, insertion, and deletion, with the bucket acting as a container for items that hashed to the same location. The notion of 'linked blocks' aligns with common collision-resolution strategies like separate chaining, where the bucket contains a linked list (or similar structure) of entries that share that bucket.

If there were other options, we could contrast: a database index or a B-tree organizes data differently without relying on a bucketized hash mechanism; a tree map or binary search tree uses ordering rather than hashed buckets; clustering or partitioning schemes are broader concepts that may involve buckets but are not as precise as a hash table for per-row bucketing.

In summary, a hash table fits the description of assigning each row to a bucket of linked blocks due to its use of a hash function to map keys to buckets and a chaining mechanism within buckets to handle collisions.

CSE 3241 SU2025 (7028) Week 8 Quiz

A _____ assigns each row to a group of linked blocks, called a bucket.

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