Hua Lian
Abstract
In PowerBuilder,you can query database through select statements and datawindow.The datawindow application to query data is mainly through some functions,such as retrieve,setsqlselect,setfilter,etc.This article gives application of Variety methods with instance,these methods have certain universality.
A significance statement is not available in the OpenAlex record.
A contribution statement is not available in the OpenAlex record.
Method details are not available in the OpenAlex metadata.
Findings are not separately available in the OpenAlex metadata.
Limitations are not available in the OpenAlex metadata.
Application details are not available in the OpenAlex metadata.
In PowerBuilder,you can query database through select statements and datawindow.The datawindow application to query data is mainly through some functions,such as retrieve,setsqlselect,setfilter,etc.This article gives application of Variety methods with instance,these methods have certain universality.
Key concepts: Computer science, Query optimization, Universality (dynamical systems), Sargable, Query language, Variety (cybernetics), Information retrieval, Query expansion