Therefore, XGrind cannot perform any join, aggregation, nested queries, or construct operations.
因此，XGrind不能执行任何连接、聚合、嵌套查询或构建操作。
As you might expect, all nested queries and updates must use the same datasource as the transaction itself.
您可能希望所有嵌套的查询和更新必须使用与事务处理相同的datasource。
The structure of SQL-like nested queries is examined. It is shown that any SQL- like nested query can be decomposed into four basic nested types.
本文分析了SQL类查询语句的基本结构，指出任何一个嵌套结构的SQL类语句都可以由四种基本嵌套类型组成。
Wilson provides enough SQL to help you learn how to massage data in a relational database, and he also covers tables, joins, negation, and nested queries.
Wilson提供足够的SQL来帮助您学习如何在关系数据库中通知数据，并且他还涵盖了表格、连接、求反和嵌套查询。
Amberfish is general purpose text retrieval software. It supports nested queries of semi-structured text in XML format and traditional unstructured searching.
格式的半结构文本的嵌入式查询以及传统的机构型的搜索。
The first segment of this script is as before — two nested SQL queries, with the inner one using data from the outer one to generate a list of country and city data.
这段脚本的第一小段跟以前一样 —两个嵌套的SQL查询，内部查询使用外部查询的数据生成一个国家和城市数据列表。
Thus, recursive queries resolve persons, members of a group and members of subgroups, regardless of how deep they are nested.
因此，递归查询解析人员、组的成员和子组的成员，而不管它们的嵌套深度如何。
Listing 6 makes use of two nested YQL queries.
清单6使用两个嵌套的YQL查询。
Some improvements were made in the data grid querying capabilities, now supporting queries on fields of nested objects using path expressions.
数据网格查询功能得到了改进，目前支持利用路径表达式通过关联对象字段查询数据。
Some improvements were made in the data grid querying capabilities, now supporting queries on fields of nested objects using path expressions.
数据网格查询功能得到了改进，目前支持利用路径表达式通过关联对象字段查询数据。
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