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Query optimization

AuthorRobert L. Bogue

How a relational database solves and optimizes your query

AnnotationSome people view a relational database as a mystical oracle that answers questions posed to it by the programmer. However, there are a set of rules that a relational database uses to solve your query. Each relational database approaches the process of solving your query slightly differently; however, the fundamental concepts are the same. The same process must be followed. This article will walk you through a high-level overview of how a query analyzer tries to solve your query.

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