If your queries execute without error but return no data, double-check the path expressions and namespace declarations in your query.
如果查询能够执行，但是没有返回数据，那么请仔细检查查询中的路径表达式和名称空间声明。
When using OLAP or DMR-based packages, reports with expressions that compare values with different data types will produce the following error in Dynamic Query mode.
使用基于olap或dmr的包时，如果报告包含比较不同数据类型的值的表达式，那么以dynamicQueryMode执行报告将生成以下错误消息。
Aiming at synopsis computation of approximate query in data stream, a novel wavelet transformation algorithm, Minimum Error based Dimension Compression (MEDC) algorithm, is proposed in this paper.
针对数据流上近似查询中的梗概计算，提出了一种新的基于最小误差的维压缩小波变换算法(MEDC)。
It brings great convenience to users with standard query methods, standard error codes, standard data types and ways of connectivity and registration to DBMS, which also save users' time and energy.
它的标准化的查询方法、标准化的错误代码集、连接和注册到DBMS的标准方法以及标准化的数据类型，都给用户开发应用程序带来了巨大的方便，节省了用户的精力和时间。
In addition, the Data Schema model provides query information about the model elements, relationships, and annotations to the code analysis rules, and this information is passed to the Error Manager.
此外，数据架构模型还提供有关模型元素、关系和对代码分析规则的批注的查询信息，而这些信息将传递给错误管理器。
If it is not immediately obvious why the error is occurring, examine the query carefully and trace the type of the result of each clause from the data source to the point where the error is occurring.
如果发生此错误的原因不十分明显，请仔细检查查询，并跟踪从数据源到错误发生点的每个子句的结果的类型。
If it is not immediately obvious why the error is occurring, examine the query carefully and trace the type of the result of each clause from the data source to the point where the error is occurring.
如果发生此错误的原因不十分明显，请仔细检查查询，并跟踪从数据源到错误发生点的每个子句的结果的类型。
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