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A Research of Query Method Based on Data-Window Technique in PowerBuilder

XU Guo-hu

Abstract

Data-Window technique is one of the core techniques of PowerBuilder. The powerful function of Data-window and great support for sql in PowerBuilder make it convenient for people to search or operate on database. There are many query methods based on Data-Window technique. Three methods are studied in this paper. Their advantages and disadvantages are also analysed.

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Available abstract

Key concepts: Computer science, Window (computing), SQL, Database, Query by Example, Query optimization, Core (optical fiber), Information retrieval