数据库关键字查询技术研究

随着互联网技术与数据库技术的不断发展和相互结合,越来越多的用户需要访问在线数据库来获取各种信息,在该过程中,用户要对数据库中的数据进行查询。因此,用户就必需要掌握一定的结构化查询语言SQL,而且还要对数据库模式有一个认识和了解。但事实上,多数用户并不会使用结构化查询语言,也不了解数据库模式。所以,便产生了一个很自然的用户需求——数据库支持基于关键字的查询,文章主要就是对数据库支持基于关键字的查询进行简要的分析和探讨。

Research on keywords search technology in database

With the development and interaction of IOT and database technology, more and more users need to access online databases to get all kinds of information. In this process the data in the database is need to be queried, therefore, the user should master some structural query language of SQL, and also have some knowledge and understanding about the database schema. But in fact, most of users can not use structural query language or understand the database schema. So, a very natural user requirement of querying based on keywords in database is generate. The keyword-based queries in database are brielfy analyzed and discussed.