Among the many query languages, Structured query language (SQL) is a language designed and optimized for querying certain kinds of relational databases.

在众多查询语言之中，结构化查询语言(SQL)是一种针对查询特定类型的关系库而设计和优化的语言。

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The query on the index would have been performed using standard Structured Query Language (SQL).

对索引的查询将使用标准结构化查询语言（Structured Query Language，SQL）来执行。

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Before you get started, a few notes: First, to follow along with this article, you should have a basic knowledge of relational databases, JDBC, and Structured Query Language (SQL).

开始之前，有几点注意事项：第一，要读懂本文，您应当掌握关系型数据库、JDBC和结构化查询语言(SQL)的基础知识。

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By entering certain strings of text into user input boxes on Web sites, cybercriminals are able to confuse their commands with data in a site's Structured Query Language (SQL) database and gain control of it, says Grossman.

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This traditional database platforms, known as relational database management systems (RDBMS) all use a language called SQL (structured query language).

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