Tag: aggregation

SQL Server

Troubleshooting SQL Server 2014 Analysis Services problems (Part 3)

Troubleshooting SQL Server 2014 Analysis Services problems (Part 3) If you have problems with SQL Server 2014 Analysis Services (SSAS 2014), review this troubleshooting checklist to find potential solutions. 1. If you use SSAS 2014. When you run a Multidimensional Expressions (MDX) query against a Many-To-Many dimension, the memory consumption increases very quickly, and surpasses HardMemoryLimit after some time. In […]

SQL Server

Troubleshooting SQL Server 2014 Analysis Services problems (Part 2)

Troubleshooting SQL Server 2014 Analysis Services problems (Part 2) If you have problems with SQL Server 2014 Analysis Services (SSAS 2014), review this troubleshooting checklist to find potential solutions. 1. The error occurs when you process a partition in a measure group in SQL Server 2014 Analysis Services. This is the error message text: “Errors in the high-level relational engine. […]

SQL Server

Troubleshooting SQL Server 2014 Analysis Services problems (Part 1)

Troubleshooting SQL Server 2014 Analysis Services problems (Part 1) If you have problems with SQL Server 2014 Analysis Services (SSAS 2014), review this troubleshooting checklist to find potential solutions. 1. Install the latest SQL Server 2014 service pack. Because many SQL Server 2014 Analysis Services bugs were fixed in SQL Server service packs, you should install the latest SQL Server […]

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Multi-level Aggregation

Multi-level Aggregation You perform a multi-level aggregation when you need to combine data from different levels of aggregation. In this article, you’ll look at an example of how you might perform a multi-level aggregation within a single SQL query that contains subqueries, sending the aggregated data from the inner to the higher level of the query and combining the aggregated...

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Combining Aggregated Data With Inline Views

Combining Aggregated Data With Inline Views If your responsibility is to compose the queries producing aggregated data, you no doubt know that it’s not always possible to get the job done with a simple query – a one that contains subqueries, such as inline views, may be required. This article illustrates how you might use inline views as a way...

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How To Not Include a Column From The SELECT List In The GROUP BY Clause

How To Not Include a Column From The SELECT List In The GROUP BY Clause Sometimes you don’t need to group by each column or expression included in the SELECT list of the query. For example, you may want to not include ROWNUM in the GROUP BY clause in spite of the fact that it appears in the SELECT list....

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