Logical query tree - PowerPoint PPT Presentation

The Query Compiler

The Query Compiler. Chapter 16. Objectives …. Convert an SQL query to a parse tree using a grammar. Explain the difference between syntax and semantic validation and the query processor component responsible for each. Define: valid parse tree, logical query tree, physical query tree

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The Query Compiler 16.1 Parsing and Preprocessing

The Query Compiler 16.1 Parsing and Preprocessing. Meghna Jain(205) Dr. T. Y. Lin. Presentation Outline 16.1 Parsing and Preprocessing 16.1.1 Syntax Analysis and Parse Tree 16.1.2 A Grammar for Simple Subset of SQL 16.1.3 The Preprocessor

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