Recognition Algorithm Research on Query Language Based on Operator Precedence Grammar

摘要：

　　The end of query is the composition of SQL statements,completed by using the graphical interface.Operator precedence grammar was combined with segmentation to identify query statement in graphic interface,this paper customized the semantic action and added correctness judgment constraints( ),realized the composition of SQL and added fuzzy operator,multinational language library,process control,fault location and other language technology to make it more powerful,which was the expansion for SQL.

关键词： query statement operator precedence grammar automaton

作者: Haoyin Lv Tao Guo Zhengqi Liu

作者单位: School of Information Engineering Long Dong University Gansu Qingyang, China

会议类型: 国际会议

会议名称: 2016 2nd International Conference on Mechanical, Electronic and Information Technology Engineering(2016机械、电子和信息技术国际会议)

会议地点: 重庆

会议语种:英文

页码: 432-438

在线出版日期: 2016-03-21（万方平台首次上网日期，不代表论文的发表时间）