Query by example (CONSTRUCT) The CONSTRUCT instruction implements database query criteria input in an application form. Understanding the CONSTRUCT instructionThe CONSTRUCT instruction provides database query, by entering search filters directly in form fields.Syntax of CONSTRUCT instructionThe CONSTRUCT instruction provides database query by example, producing a WHERE condition for SELECT.CONSTRUCT programming stepsFollow this procedure to use the CONSTRUCT dialog instruction.Using query by exampleDialog coding concepts, configuration, and code structure.ExamplesCONSTRUCT dialog usage examples.