Most developers have heard of a good example of an anti-pattern: The improper use of Structured Query Language (SQL) libraries that result in SQL injection attacks on Web sites.
大多数开发人员听说过关于反模式的一个很好的例子：结构化查询语言（Structured Query Language，SQL）的错误使用导致Web 站点受到 SQL注入攻击。
SQL, which is a structured query language, has been an international standard language of relational database. This paper shows the corresponding relations between algebra of relations and SQL.
SQL是一种结构化的查询语言，已成为关系数据库的国际标准语言。
SQL, which is a structured query language, has been an international standard language of relational database. This paper shows the corresponding relations between algebra of relations and SQL.
SQL是一种结构化的查询语言，已成为关系数据库的国际标准语言。
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