What is the best definition of a collision in a hash table?

Related MCQs

• Consider a hash table of size seven, with starting index zero, and a hash function (3x + 4)mod7. Assuming the hash table is initially empty, which of the following is the contents of the table when the sequence 1, 3, 8, 10 is inserted into the table using closed hashing? Note that ‘_’ denotes an empty location in the table.
• If h is any hashing function and is used to hash n keys in to a table of size m, where n<=m, the expected number of collisions involving a particular key x is :
• Which of the following scenarios leads to linear running time for a random search hit in a linear-probing hash table?
• A unit of storage that can store one or more records in a hash file organization is denoted as
• The unit of storage that can store one are more records in a hash file organization are
• A hash function must meet ________ criteriA:)
• Drop Table cannot be used to drop a table referenced by a                    constraint.
• Which join refers to join records from the write table that have no matching key in the left table are include in the result set:
• The                          scheme uses a page table containing pointers to all pages; the page table itself and all updated pages are copied to a new location.
• Drop Table cannot be used to drop a table referenced by a …………… constraint.