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Searching databases effectively depends on the proper use of various operators that help users retrieve precise, relevant, and comprehensive information. These operators are integral to information systems because they control how search terms are interpreted and combined, thereby improving accuracy and efficiency in data retrieval. Boolean operators are the most fundamental operators used in database searching. The operator AND is used to combine two or more terms and retrieves records that contain all the specified terms. It narrows the search and is useful when a user wants highly specific results. For example, searching for “information AND systems” will display only those records where both terms appear together. The operator OR is used to broaden a search by retrieving records that contain any one of the specified terms. It is useful for including synonyms or related concepts, such as “database _________ ______ __________ ______ ________ __________ ___ _________ ____ ____ ______ __________.
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