database query language造句

this is where you ll find sql, the well-known and dominant database query language standard, as well as xquery
这里可以看到众所周知的主流数据库查询语言标准sql，以及xquery。
the expressive power of xquery is comparable to the criterion of relational completeness " defined for database query languages, though no such formal standard has been defined for an xml data model
xquery的表达能力可以与为数据库查询语言定义的“关系完整性”标准相比，虽然还没有为xml数据模型定义这样的正式标准。
It's difficult to find database query language in a sentence. 用database query language造句挺难的