The WHERE clause is the mechanism for filtering out unwanted rows from the result set. Rows can be selected by looking for column values that satisfy various criteria, and different types of values can be filtered out. In the statement below, the query is selecting information from three columns, from a given table with a clause where a specific city name is to be used. In other words, it is answering the question…"What is the ID and district for the city of New York?", as follows; mysql> SELECT ID, Name, District FROM City -> WHERE Name = 'New York'; +-------+--------------+-------------+ | ID | Name | District | +-------+--------------+--------------+ | 3793 | New York | New York | +-------+--------------+--------------+ 1 row in set (#.## sec) E...
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