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Two common methods for handling collisions in hashing: open addressing (linear probing, quadratic probing, double hashing) and chaining. Open addressing involves storing data in the hash table itself and using alternative cells for collision resolution. Chaining, on the other hand, uses a linked list to store data at a key index in the hash table that points to the actual data. Understand the differences, advantages, and disadvantages of each method.
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considered. All items are stored in the hash table itself. In addition to the data, each hash bucket also maintains the three states: EMPTY, OCCUPIED, DELETED. While inserting, if a collision occurs, alternative cells are tried until an empty bucket is found. For which one of the following techniques is adopted. 1.Liner Probing (this is prone to clustering of data + Some other constrains) 2.Quadratic probing 3.Double hashing Chaining: Open Hashing, is a technique in which the data is not directly stored at the hash key index (k) of the Hash table. Rather the data at the key index (k) in the hash table is a pointer to the head of the data structure where the data is actually stored. In the most simple and common implementations the data structure adopted for storing the element is a linked-list.