Aprendamos DAX17 de Septiembre (12 pm

GMT -5)José Ahias López PortilloResúmen:

En esta sesión veremos los conceptos básicos de como programar consultas DAX y algunas de las funciones mas útiles que podrían salvarnos en un apocalipsis de generación de consultas complejas en modelos tabulares.

Próximos EventosConfigurando réplicas de Lectura de SQL-Server AlwaysOn24 de Septiembre

Carlos Rojas

Indices columnares en SQL Server 2014

1 de OctubreJosé L. Rivera

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8 de OctubreJorge Castañeda

Está por comenzar:

Aprendamos DAX

2014-09-16

JOSE AHIAS LOPEZ PORTILLOMVP | MCITP | MCTS, etcDPA-SOLIDQEl Rincón de SQL Server

3

Agenda

• Historia• Arquitectura• Introducción al lenguaje• Demo

4

BI Semantic Model

One Model for all End User Experiences

Client Tools Analytics, Reports, Scorecards,

Dashboards, Custom Apps

Data SourcesDatabases, LOB Applications, OData Feeds,

Spreadsheets, Text Files

BI Semantic ModelData model

Business logic and queries

Data access

Team BIPowerPivot for

SharePoint

Personal BIPowerPivot for

Excel

Organizational BIAnalysis Services

5

Arquitectura de BISM

BI Semantic Model

Data model

Business logic and queries

Data access ROLAP MOLAP VertiPaqDirectQuery

MDX DAX

Multi-dimensional

Tabular

Third-partyapplications

ReportingServices

Excel PowerPivot

Databases LOB Applications Files OData Feeds Cloud Services

SharePointInsights

6

Arquitectura de BISM

(CONTINUED)

BI Semantic Model

DAX Query MDX Query

Deployment

Data Access – CachePassthrough

Business Logic

Development Tool

Design Type

Project Type PowerPivot Workbook Tabular Project Multidimensional Project

Excel 2010/2013

DAX

In-MemoryN/A

SharePoint Library / Analysis Services

PowerPivot

Tabular

SQL Server Data Tools

DAX

In-MemoryDirectQuery

Analysis ServicesTabular

Tabular

SQL Server Data Tools

MDX

MOLAPROLAP

Analysis ServicesMultidimensional

Multidimensional

A PowerPivot workbook can be restored to a Tabular instance, or imported to create a Tabular Project

Third-PartyApplications

ReportingServices

Excel PowerPivotSharePoint

InsightsPowerView

LOBApplications Files

ODataFeeds

Cloud Services

RelationalDatabases

DeployedBI Semantic Model

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Lenguaje de Consulta

DAX

Basado en formulas de Excel y Conceptos de base de datos Relacionales

Cálculos complejos requiere un mayor grado de aprendizaje del lenguaje.

La utilización de columnas calculadas permiten extender funcionalidades del modelo de datos sin necesidad de mayor tiempo de desarrollo.

MDX

Basado en el modelo dimensional- requiere un cambio de paradigma.

Soluciones complejas requiere el manejo de avanzado del lenguaje y del diseño dimensional.

Ideal para soluciones complejas de entornos empresariales.

8

Sintaxis

Columna Calculada/ Métricas

• [Nombre]=Tabla[Columna]

• [Nombre]=Funcion(Tabla[Columna])

• [Nombre]=Condicion(Tabla[Columna], valor1, valor2)

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Tipos de Datos

• Integer• Real• Currency• Date(datetime)• TRUE/FALSE• String• BLOB(Binary large object)

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Operadores

Tipo Operador Símbolo y Uso

Parenthesis operator () precedence order and grouping of arguments

Arithmetic operators + (addition)- (subtraction/sign)* (multiplication)/ (division)^ (exponentiation)

Comparison operators = (equal to)> (greater than)< (less than)>= (greater than or equal to)<= (less than or equal to)<> (not equal to)

Text concatenation operator & (concatenation)

Logic operators && (and)|| (or)

11

DEMO

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Manténgase conectado a nosotros!

Visítenos en http://globalspanish.sqlpass.org

/SpanishPASSVC

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/user/SpanishPASSVC

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PASS Community News

August 2014

Planning on attending PASS Summit 2014? Start saving today!

• The world’s largest gathering of SQL Server & BI professionals

• Take your SQL Server skills to the next level by learning from the world’s SQL Server experts, in 190+ technical sessions

• Over 5000 attendees, representing 2000 companies, from 52 countries, ready to network & learn

Ask your Chapter Leader how to save $150 off registration!

$1,895UNTIL SEPTEMBER

26, 2014

PASS Virtual Chapters Listing

Check out the sqlpass.org for more information on all the Virtual Chapters:

• Application Development• Big Data• Book Readers• Business Analytics• Business Intelligence• Cloud• Data Architecture• Database Administration• DBA Fundamentals• Excel BI• Healthcare• High Availability and Disaster Recovery• InMemory• Master Data\Data Quality

• Oracle SQL• Performance• Powershell • Professional

Development• Security• Virtualization• Women in Technology• Global Chinese• Global French• Global Hebrew• Global Italian• Global Portuguese• Global Russian• Global Spanish

Virtual Chapter Meetings – August

VIRTUAL CHAPTER

MEETING TOPIC

DBA Fundamentals

Aug 5 11:00– 12:00 CDT (UTC -05:00)

Rolling Upgraders, The Easy Way Presented by Argenis Fernandez

Global Spanish Aug 6 12:00-12:30 (UTC -05:00) Los Caso de Uso Para In-Memory OLTP Presented by Warner Chaves

Global Hebrew Aug 10 17:30-18:30 JDT (UTC +02:00)

Take Your SQL Server Development Process Forward! Presented by Itai Binyamin

Professional Development

Aug 12 12:00-13:00 EDT (UTC -04:00)

Bridging the Communication Gap Between DBA and Developer Presented by Robert Davis

High Availability and Disaster Recovery

Aug 12 12:00-13:00 CDT (UTC -05:00)

Mirroring Start to FinishPresented by Ryan Adams

Virtual Chapter Meetings – August

VIRTUAL CHAPTER

MEETING TOPIC

Global Spanish Aug 13 12:00-13:00 (UTC -05:00) Haciendo Preguntas Básicas en Power BIPresented by Andrei Garzon

Excel Business Intelligence

Aug 14 11:00-12:00 EDT (UTC-04:00)

Advanced Analytics: Excel SolverPresented by Dan Fylstra

Business Intelligence

Aug 14 11:00-12:00 EDT (UTC -04:00)

Continuous Integration for Reporting ServicesPresented by Nat Sundar

DBA Fundamentals Aug 19 11:00-12:00 CDT (UTC -05:00)

The Roadmap to Better Performance: Reading Query Plans Presented by Erin Stellato

Global Spanish Aug 20 12:00-12:30 (UTC -05:00) Fundamentos sobre lost indices end SQL Presented by Enrique Puig

Virtual Chapter Meetings – August

VIRTUAL CHAPTER

MEETING TOPIC

Global Russian Aug 20 15:00-16:30 (UTC +03:00)

SSIS - Повышение производительности обработки потоков данных

Global French Aug 21 20:00-21:00 RST (UTC +01:00)

Power BI Hybride avec la Passerelle de Gestion de Données Presented by Jean-Pierre Riehl

Business Analytics Aug 21 12:00-13:00 CDT (UTC -05:00)

Looking Through the Windshield: Creating forward-looking Dashboards and KPI’s Presented by Brian Larson

Business Intelligence

Aug 27 12:00-13:00 GMT (UTC-00:00)

Intro to RPresented by Stephanie Locke

Global Spanish Aug 27 12:00-13:00 (UTC-05:00) Visualización de Big Data Con Power ViewPresented by Eduardo Castro

Upcoming SQLSaturdays

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Visit www.sqlsaturday.com to register for an event near you!

20

Volunteering with PASS

Volunteer Today!

Now it’s easier than ever to volunteer with PASS.

Let us know your volunteer preferences by updating the “myVolunteering” section of your

myPASS profile.

PASS would not exist without our passionate, dedicated, and hardworking volunteers from

around the globe.

21

Outstanding Volunteer Award

Do you know a volunteer that has gone above and beyond recently?

Nominate them for the monthly OVA.

VolunteerRecognition@sqlpass.org

Volunteering with PASS

PASSion Award

The highest of PASS accolades presented yearly to a volunteer. Nominations will open in August

2014.

Stay tuned!

Stay Involved!• Sign up for a free membership today at sqlpass.org

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• Los nominados seleccionados serán anunciados en la edición del boletín PASS Connector y recibirán un certificado de apreciación.

Configurando Aplicaciones para Réplicas de Lectura de SQL-Server AlwaysOn

24 de Septiembre (12 pm GMT -5)

Carlos RojasResúmen:Cómo configurar SQL-Server y Aplicaciones .NET para aprovechar la funcionalidad de Lectura de las Réplicas en AlwaysOn de SQL-Server

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