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Database Systems: Concepts, Design and Applications by S. K. Singh

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Fill in the Blanks

1.A query processor transforms a ________ query into an ________ that performs the required retrievals and manipulations in the database.
2.Execution plan is a series of ________ steps.
3.In syntax-checking phase of query processing the system ________ the query and checks that it obeys the ________ rules.
4.________ is the process of transforming a query written in SQL (or any high-level language) into a correct and efficient execution strategy expressed in a low-level language.
5.During the query transformation process, the ________ checks the syntax and verifies if the relations and the attributes used in the query are defined in the database.
6.Query transformation is performed by transforming the query into ________ that ...

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