Two analysts were debating the use of an INSERT INTO statement to load data into an array. The first analyst said its best to import ONLY dimensions that will be needed. The second analyst said that strategy was too restrictive and a rookie error. Give your opinion on this disagreement support your position.

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Hash Table

A hash table also called a hash map, is a data structure that maps key-value pairs. The hash table can be used in complex systems to provide fast access and compact storage. A hash table is a structure that stores data in an abstract data type kind of associative array. It keeps data in an array format, with a distinct index value for every data value. If the index of the required data is known, then the data can be accessed very easily.