SQL Server Analysis Services, an OLAP server bundled with SQL Server by Microsoft since version 7.0

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Disk space requirements for SSAS database backup

Can anyone advise how I can gauge the disk space required to backup a SSAS database? I have a database that is as per SSMS estimate 146GB in size. The contents of the data folder amount to 143GB and ...
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95 views

Why is MDX Moving Average Calculation Inconsistent in Excel?

This question hurts my brain to talk about. Hopefully I can explain it properly. I have the following calculation defined in my cube: CREATE MEMBER CURRENTCUBE.[Measures].[52 Week Comp Net Sales ...
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218 views

MDX Max, Average and StDev functions not giving correct results

I have a scenario where I have Date dimension and Time dimension along with some other dimensions. The time dimension contains only Hours since there was no need to save data at minute or second ...
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40 views

Does Position Of Cube Dimension Matter While Adding it as Measure

I've created a cube on the Adventure Works Database. And when tried to process the Cube i get error Errors in the OLAP storage engine: The attribute key cannot be found when processing: Table: ...
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55 views

MDX query is SLOWER with warm cache

I have a MDX query that executes faster on cold cache than warm cache. If I ran the same MDX query after restarting SSAS it takes 14 seconds. All subsequent runs of the same statement then take 50 ...
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112 views

Array of string in MDX

I have a dimension attribute that has composite key, such as CalendarQuarter in this post. This means my attribute members will have members that can be written as: ...
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27 views

How do I manage environment specific connections for SSAS projects?

I am using SQL Server 2012 and I am responsible for implementing release automation for our SQL, SSIS, and SSAS projects. SSIS projects have project parameters and you can link those to SSISDB ...
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125 views

Helpme undestand MDX exists function

After spend almost decade in OLTP world I got the courage to try to build my first CUBE. I installed VS2012 and created Business Intelligence -> Analysis Services. I did build Data Source Views, Cube ...
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56 views

Can we have OLAP cubes with same OBJECT NAME and ID at different database?

I have olap database for both production and test. Fortunately I noticed that cube under both production and test olap database has the same object name and Id. But DataSource for production and test ...
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85 views

SSAS - Many to many Relationship with Slowly Changing Dimension Type 2

I'm trying to solve the following scenario: I have a "Zone" dimension, a "Tile" dimension and a "Position" facttable. Within the facttable the duration of a hit on a tile is saved. The Many to Many ...
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562 views

SSAS tabular browse excel relationships not working

I'm currently building an education data warehouse. I have three factless fact tables for distinct set of grades due to the fact i have no measures (i'm not aggregating anything), the grades are ...
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32 views

Decision Tree English Rules and Dependency Network in MS SSAS

I created a Decision Tree model in Microsoft Analysis Services (SSAS, Visual Studio 2010). There are two tabs in the Mining Model Viewer tab: (1) Decision Tree that shows a tree itself, and (2) ...
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11 views

SSAS firewall / restricted direct database use

We want to open ports 2382 / 2384 for users in AD group A (they are supposed to read SSAS data via a sharepoint frontend only). That can be easily done with the windows server firewall, I guess. ...
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25 views

What known strategies, if any, can I use to validate a Slowly Changing Dimension?

I have a customer dimension in our data warehouse (SSAS 2014 Multidimensional). It is set up as a Type II SCD, with just Start and End Date fields to track changes. (null end date = current). As our ...
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30 views

Is it a good idea to use SSAS to predict hourly transactions?

So I've been working on this for quite some time but I run into so many obstacles that I am beginning to wonder if I am using the right tool for the job. My problem is pretty simple: I have several ...
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1answer
54 views

Wich is the most efficient/easy way for end-user to get data from Analysis database?

I know that you can quey a cube by connecting from excel to Analysis database and using formulas like cubevalue() or cubemember(). I also know that after converting the power pivot to formulas you can ...
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2answers
549 views

Huge Analysis Services log file: msmdsrv.log

I've just discovered our prod analysis services is writing to a log that is 1.6 GB in size. I was able to get a copy of the log file saved off to an alternate location and open it in WordPad ...
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27 views

Extremely high memory usage for datacube with 25k records

I have a system with 16GB memory (8 allowed for SSAS) and limiting it to looking at 25k rows of orders. I have 4 dimensions. Date, Customer Data, Sales Person, and Orders (has just ID and date) I have ...
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148 views

User-mapped Error processing SSAS cubes

I'm receiving the following error message intermittently whilst attempting to process an SSAS cube. I've changed the SSAS memory parameters as per this link, but am still intermittently recieving ...
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64 views

Which is the best way for selecting dimension attributes while creating a dimension?

I'm a newbie to SSAS OLAP so please apologize me if it was a silly question but surely I need suggestions. I would like to make clear some concepts which was confusing for me. Let us consider five ...
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991 views

Run a PowerShell script on a different server - from inside a SQL Server job

I have a procedure to backup SSAS Databases. That is working as a charm. Now my server is filling up with SSAS backups and I would like to delete the backup files that are older than 2 days. to ...
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24 views

Efficient settings for linked server to SSAS database

We are using OPENQUERY scripts to run MDX from sql-server. We're experiencing efficiency issues when we first run these queries each morning. The linked server objects which link to our SSAS ...
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60 views

Database backup hangs both in SSMS and XMLA

I am using SQL Server Analysis Services 2008 R2 Service Pack 3. My database was recently upgraded from Analysis Services 2005 and since that time I have been unable to do a backup either from SSMS or ...
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30 views

Datamining using holidays

My setup: I am currently running a SQLServer 2012 database paired with a SSAS. My database features sales per store at specific times. My goal: I am interested in predicting future sales (amounts) ...
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13 views

create siblings ssas

If you have a parent-child dimension how can the power users easily create new level in the hierarchy? In SSAS is the posiblity to enable WriteBack and easy create new child and new sibling. Can you ...
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4k views

How can I dynamically back up all SSAS databases on a given instance?

I want to dynamically back up all the databases on a given SSAS instance using a SQL Agent job (which would most likely involve executing an SSIS package). It is imperative that this is a dynamic ...
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2k views

Linked Server from SQL Server to SSAS not working - what is missing?

I have a SQL Server 2012 Standard edition sp1 that has ssas also installed. From this server I create a linked server to a ssas server called BIREPLON1, but when I try to access it, I get the error ...
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1k views

routine to backup ssas databases fails with: The XML for Analysis request timed out before it was completed

I have developed my own stored procedure, that through a LINKED SERVER, backups the SSAS databases according to a table value parameter. the code for the stored procedure is below. the problem: it ...
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152 views

Problem in Incorporating filters into Data Warehouse design

While implementing a data warehouse (proof of concept) I have a requirement to incorporate a user level save-able filter on dimensions. The requirement is a proof of concept so I have the liberty to ...
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233 views

Why does SSAS keep restarting every few seconds?

We have a SQL Server 2005 Analysis Server which began restarting this weekend, seemingly without any external changes. The current state of the server is that as long as the SSAS service is enabled, ...
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2k views

Does msmdpump.dll pass the authentication info to SSAS?

I'm using msmdpump.dll with basic authentication to access a SSAS OLAP cube from the internet. Does this method pass the auth info to SSAS so if I put permissions on the cube they get applied ...
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216 views

Cube Processing vs Database Processing

We have a SSAS database (SQL Server 2012 Enterprise) with 4 cubes in it. 1 of the cubes is significantly bigger than the other 3. We want to process the 3 smaller cubes at regular intervals during the ...
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3answers
5k views

Datawarehouse Design: Combined Date Time dimension vs. Separate Day and Time dimensions and timezones

We are just starting design for a new data warehouse and we're trying to design how our date and time dimensions will work. We need to be able to support multiple timezones (probably at least GMT, ...
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929 views

SSAS : An error occurred when instantiating a metadata object

Aside from installing SSAS, I have no experience using it. Our developers are saying that it is no longer possible to create a new aggregation, whatever the cube. The error occurs when hitting ...
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177 views

BI development in Microsoft BI

I need to learn how to create a dimensional modelling for an organisation that do not has a BI tool and BI model. Where can I learn more about BI development that should be used in a company? IT's ...
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1k views

Cube processing either takes too long or fails

I have a SSAS Cube with 35 dimensions and 10 measures. Some of the dimensions are quite large in size. In almost all dimensions data either get updated and inserted. Measures have high volume of ...
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2k views

MDX calculated member to band a measure

I am trying to add a calculated member to an MDX query which will create a set of "Age Bands" for people in my database. I have a measure which contains the age of each person. I have started with ...
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2answers
4k views

MDX Crossjoin filtering on different hierarchies from the same dimension is very slow

I have an MDX query that was written by an MDX novice that is excessively slow (the query, that is, not the MDX novice). And I am also an MDX novice. Here is the query: SELECT NON EMPTY ( ...
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376 views

How to get usage based optimization working on SSAS?

I have set up the configuration for SSAS to log the usage into the database, since the table did not exist I let it do that. However SSAS created the table OlapQueryLog under the schema of the SSAS ...
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2k views

Connecting to MySQL database from Analysis Services

I need to know whether it is possible or not to get data from a MySQL database and create a Cube in Analysis Services 2008. If so, tell me how to connect to MySQL Database from Analysis Services.
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674 views

Dealing with measure groups of different granularity

Let's say I have a simple data warehouse with the following fact tables: FactPurchase: one row per property purchased, with purchase amount, value, etc. FactMonthlyStatus: one row per property, per ...
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585 views

Kerberos Authentication Issue

I'm getting these errors when testing a linked server from SQL Server 2012 to SSAS 2012 (both servers are Windows 2012 and clustered) "An error was encountered in the transport layer" and "The peer ...
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137 views

Design The Cube Dimension for Group/Member OR “Many to Many” type relationship

I am looking for the right approach how to implement group/member like relationship in the cube dimension. i have attached the smaller version of my tables currently I have. Table-1 is SecurityTable, ...
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1answer
604 views

Wrong aggregation of Measures in Analysis Service in combination with UNION and DESCENDANTS

Update: When I tried to provide a simple example which reproduces the issue I found the leveller in my database which introduces this issue. Therefore I did an update to this question in order to ...
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631 views

How to make SSAS Commit Write take less time

We're using SQL Server Analysis Server 2012 (Enterprise) and have a process to update the cube during the day. This process is running pretty well until it gets to the final part of processing where ...
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3k views

MDX: How do I combine/merge/union two Measures dimensions with calculated members?

I am trying to combine two dimensions in an MDX query. SELECT NON EMPTY ( [XXX].[YYY].children ) ON ROWS, NON EMPTY { [Measures].[Dimension1A], [Measures].[Dimension1B], ...
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423 views

Error 7373 connecting to SSAS 2008 only from one machine

Within the last week, I've gotten the following error when trying to use a linked server in SSMS (tried 2008 and 2012) to connect to a SSAS 2008 R2 instance on our cluster: Cannot set ...
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513 views

Data Warehouse - Slowly Changing Dimensions with Many to Many Relationships

As an example, let's say I have a fact table with two dimensions and one measure FactMoney table ProjectKey int PersonKey int CashAmount money The two dimensions are defined like this: ...
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1answer
693 views

Script out XMLA for all databases

I have several SSAS databases. I only want to script out the XMLA for them on a nightly basis. This will be a second tier backup in addition to the regular backups we have. How do I auto-generate ...
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654 views

Get Results from DMV Query into SQL Server Table

today I began to troubleshoot an issue that I was asked to resolve, and for the first time I found myself querying in the SSAS database. I obtained a very useful set of results (who was connecting to ...