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Data Analysis Expressions (DAX) is the native formula and query language for Microsoft PowerPivot, Power BI Desktop and SQL Server Analysis Services (SSAS) Tabular models. DAX includes some of the functions that are used in Excel formulas with additional functions that are designed to work with relational data and perform dynamic aggregation.
Analysis Services includes a group of OLAP and data mining capabilities and comes in two flavors multidimensional and tabular, where the difference between the two is how the data is presented. [ citation needed ] In a tabular model, the information is arranged in two-dimensional tables which can thus be more readable for a human.
Smart Diff - compares versions of a SSAS, SSIS, and SSRS files. BIDS Helper pre-processes XML files so that the diff versus source control is more meaningful. Tabular Actions Editor - provides a UI for editing actions for Tabular models. For example, this feature allows the model designer the ability to customize the columns returned by ...
Data modeling techniques and methodologies are used to model data in a standard, consistent, predictable manner in order to manage it as a resource. The use of data modeling standards is strongly recommended for all projects requiring a standard means of defining and analyzing data within an organization, e.g., using data modeling:
Microsoft Analysis Services: Microsoft [13] 2016 Proprietary: Mondrian OLAP server: Pentaho [14] 3.7 EPL: free Oracle Database OLAP Option: Oracle [15] 11g R2 Proprietary: SAP NetWeaver BW: SAP [16] 7.30 Proprietary - SAS OLAP Server: SAS Institute [17] 9.4 Proprietary - StarRocks: Linux Foundation [18] 3.1 Apache 2.0: free
The snowflake schema is in the same family as the star schema logical model. In fact, the star schema is considered a special case of the snowflake schema. The snowflake schema provides some advantages over the star schema in certain situations, including: Some OLAP multidimensional database modeling tools are optimized for snowflake schemas. [3]
Models can be composed of different units (models at finer granularity) linked to achieving a specific goal; for this reason they can be also called modeling solutions. More generally, modeling and simulation is a key enabler for systems engineering activities as the system representation in a computer readable (and possibly executable) model ...
SSAS may refer to: Ship Security Alert System; Small Self Administered Scheme, a type of occupational trust-based pension scheme in the UK; Solid State Ammonia Synthesis;