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Page 1: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

SQL Server 2014 Faster Insights from Any Data(Level 300 Deck)

Page 2: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

SQL Server 2014 Faster Insights from Any Data(Level 300 Deck)

Page 3: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

SQL Server 2014 Faster Insights from Any Data(Level 300 Deck)

Page 4: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

SQL Server 2014 Faster Insights from Any Data(Level 300 Deck)

Page 5: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan
Page 6: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan
Page 7: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Easy Access to Data, Big and Small

Page 8: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Microsoft Power BI for Office 365

1 in 4 enterprise customers on Office 3651 Billion Office Users

Analyze Visualize Share Find

Q&A

MobileDiscover

Scalable | Manageable | Trusted

Page 9: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Power Query

Page 10: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Power Query

Page 11: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Powerful Self-Service BI with Excel 2013

Page 12: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Power QueryEnable self-service data discovery, query, transformation and mashup experiences for Information

Workers, via Excel and PowerPivot

Discovery and connectivity to a wide range of data sources, spanning volume as well as variety of data.

Highly interactive and intuitive experience for rapidly and iteratively building queries over any data source, any size.

Consistency of experience, and parity of query capabilities over all data sources.

Joins across different data sources; ability to create custom views over data that can then be shared with team/department.

Page 13: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Power QueryDiscover, combine, and refine Big Data, small data, and any data with Data

Explorer for Excel.

Page 14: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

S

Data Sources

Windows Azure

Marketplace

Windows Active

Directory

Azure SQL

DatabaseAzure HDInsight

Page 15: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

PowerPivot

Page 16: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

PowerPivot

Page 17: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Powerful Self-Service BI with Excel 2013

Page 18: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Introducing PowerPivot

Page 19: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

PowerPivot for SharePoint

Page 20: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Power View

Page 21: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Power View

Page 22: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Powerful Self-Service BI with Excel 2013

Page 23: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Introducing Power View

Page 24: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Power View in ExcelExcel Database

server

SQL AS

(Tabular)

Power View

SQL RS

ADOMD.NET

SQL AS

(PowerPivot)

Page 25: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Power View in SharePointBrowser SharePoint

web server

Database

server

SharePoint

app server

SQL AS

(PowerPivot)

SQL AS

(Tabular)

SQL RS

Add-InSQL RS

Power View

Page 26: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Power View for Multidimensional Models• Power View on Analysis Services via BISM

• Native support for DAX in Analysis Services

• Better flexibility: Choice of DAX on Tabular or Multidimensional (cubes)

Page 27: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Architecture

Internet Explorer

Analysis Services

BI Semantic Model

Tabular

SharePoint

(2010 or 2013)

Reporting

Services

Power ViewAnalysis Services

BI Semantic Model

Multidimensional

SQL Server Data Tools

SQL Server Data Tools

1

2

35

6

4

Page 28: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

BI Semantic Model: ArchitectureThird-party

applications

Reporting Services

(Power View) Excel PowerPivot

Databases LOB Applications Files OData Feeds Cloud Services

SharePoint

Insights

Page 29: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

BISM-MD Object Tabular ObjectCube Model

Cube Dimension Table

Attributes (Key(s), Name) Columns

Measure Group Table

Measure Measure

Measure without MeasureGroup Within Table called “Measures”

MeasuregroupCube Dimension

relationship

Relationship

Perspective Perspective

KPI KPI

User/Parent-Child Hierarchies Hierarchies

Multidimensional-Tabular Mapping

Page 30: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Query Execution ArchitectureClient Application

Analysis Services

Query Parser

Query Processor

sFE Caches

MDX Formula Engine

Storage

Engines

SE Caches Partition Data

Query

SE Evaluation Engine

Tabular Metadata

Metadata

Layer DAX Query Processor

Multi-dimensional

Metadata1

DISCOVER_CSDL_METADATA 2

3

DAX Query 1

2

45

6

7

9

8

3

Page 31: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Power Map

Page 32: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Power Map

Page 33: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Powerful Self-Service BI with Excel 2013

Page 34: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Power Map for Microsoft Excel enables information workers to discover and share new insights

from geographical and temporal data through three-dimensional storytelling.

What Is Power Map?

Page 35: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Map Data

• Data in Excel

• Geo-Code

• 3D and 3 Visuals

Discover Insights

• Play over Time

• Annotate points

• Capture scenes

Share Stories

• Cinematic Effects

• Interactive Tours

• Share Workbook

Power Map: Steps to 3D insights

Page 36: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Map Data

Page 37: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Discover Insights

Page 38: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Share Stories

•• Export to Video for Viral!

Page 39: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Power MapExcel Add-in to Enhance Data Visualization

Page 40: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Power BI Site

Page 41: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Power BI Site

Page 42: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Collaborate and Stay Connected with Office 365

Q&A

Page 43: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Q & A

Page 44: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Q & A

Page 45: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Collaborate and Stay Connected with Office 365

Q&A

Page 46: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Mobile BI

Page 47: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Mobile BI

Page 48: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Collaborate and Stay Connected with Office 365

Q&A

Page 49: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Engage customers with smart,

contextual mobile experiences

Boost agility with real-time access to

apps and data from anywhere

Enable Deep Business and Customer ConnectionsVirtually Anytime, Anywhere

Page 50: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Excite and Engage UsersDeliver Immersive, Connected Customer Experiences

Optimize for discovery and reach

Connect with social apps and networks

Real time content and updates

Beautiful experiences + security and performance

Page 51: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Stay Productive on the GoDeliver Familiar, Connected Experiences to a Mobile Workforce

…while ensuring enterprise security, manageability, and compliance

Page 52: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Mobile BI Capabilities Available Today

Browser-based corporate BI solutions on iOS, Android and Windows:

• SharePoint Mobile enhancements

• PerformancePoint Services

• Excel Services

• SQL Server Reporting Services

“Ultimately, the new Microsoft mobile BI solution leads to more revenue for Recall

and gives us deeper customer insight, helping us stay ahead of our competitors.”

Recall Records Management Company Gets Real-Time BI, Boosts Sales with Mobile Solution case study. Full Case study.

Page 53: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

SharePoint Mobile 2013

Mobile Browser

Support across

different mobile

devices, including

touch for tablets and

phone

Native Apps

Rich native apps

experience to business

social interactions and

collaboration

Office Hub

A hub to all your doc

storage services and Office

rich editing experience

Learn more: http://blogs.office.com/b/sharepoint/archive/2013/03/06/out-and-about-new-sharepoint-mobile-offerings.aspx

Page 54: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Tablet Touch Experience

Page 55: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Office Web AppsNever be without the tools you need.

Access and share with confidence.

Page 56: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Excel Web App

Page 57: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Excel Web App

Quick Explore

Page 58: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Mobile-Friendly Apps for Office

Page 59: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Extend with Hybrid Cloud Solutions

Page 60: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Extend with Hybrid Cloud Solutions

Page 61: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Extend with Hybrid Cloud Solutions

Page 62: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

HDInsight

Page 63: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

HDInsight

Page 64: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Key Trends

Page 65: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Big Data Analytics

Page 66: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Internet of things

Audio / Video

Log Files

Text/Image

Social Sentiment

Data Market Feeds

eGov Feeds

Weather

Wikis / BlogsClick Stream

Sensors / RFID / Devices

Spatial & GPS Coordinates

WEB 2.0Mobile

Advertising CollaborationeCommerce

Digital Marketing

Search Marketing

Web Logs

Recommendations

ERP / CRM

Sales Pipeline

Payables

Payroll

Inventory

Contacts

Deal Tracking

Terabytes

(10E12)

Gigabytes

(10E9)

Exabytes

(10E18)

Petabytes

(10E15)

Velocity - Variety - variability

Vo

lum

e

1980

190,000$

2010

0.07$

1990

9,000$

2000

15$Storage/GB

ERP / CRM WEB

2.0

Internet of things

What Is Big Data?

Page 67: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Modern Data Warehousing

Page 68: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Hadoop Distributed Architecture

Page 69: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

MapReduce: Move Code to the Data

Page 70: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

So How Does It Work?

Page 71: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Distributed Storage

(HDFS)

Query

(Hive)

Distributed Processing

(MapReduce)

OD

BC

Legend

Red = Core

Hadoop

Blue = Data

processing

Gray= Microsoft

integration

points and

value adds

Orange = Data

Movement

Green =

Packages

HDInsight and Hadoop Ecosystem

Page 72: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Record

readerMap Combiner

Partitioner

Shuffle

and sort

ReduceOutput

format

Page 73: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan
Page 74: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

MapReduce: Driver

Page 75: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

MapReduce: Mapper

Page 76: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

MapReduce: Reducer

Page 77: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

MapReduce Summary

77

Page 78: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Programming HDInsight

Hive, Pig, Mahout, Cascading, Scalding, Scoobi, Pegasus…

C#, F# Map/Reduce, LINQ to Hive, Microsoft .NET

management clients

JavaScript Map/Reduce, browser hosted console, Node.js

management clients

PowerShell, cross-platform CLI tools

Page 79: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Authoring Jobs App Integration

Building Developer Experiences

Authoring frameworks and languages

Connectivity

Programmability

Security

Loosely coupled

Lightweight

Low cost to extend

Scenario oriented

Innovation flows

upward

New compute models

Performance

enhancements

Extend breadth & depth

Enable new scenarios

Integrate with current tool

chains

Page 80: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

RDBMS vs. Hadoop

Page 81: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Microsoft Hadoop VisionInsights to all users by activating new types of data

Page 82: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Polybase

Page 83: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Polybase

Page 84: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Polybase

84

DBHDFS

SQL Server PDW querying HDFS data, in-situ

=

Page 85: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Polybase in PDW V2

85

Hadoop

HDFS DB

(a) PDW query in, results out

Hadoop

HDFS DB

(b) PDW query in, results stored in HDFS

Page 86: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Sensor

& RFID

Web

Apps

Unstructured data Structured data

Traditional schema-

based DW applications

RDBMSHadoop

Social

Apps

Mobile

Apps

How to overcome the

“impedance mismatch”

Increasingly massive amounts of unstructured data driven by new sources

At the same time, vast amounts of corporate data and data sources, and the bulk of their data analysis

Polybase addresses this challenge for advanced data analytics by allowing native query across PDW and Hadoop, integrating structured and unstructured data

Native Query Across Hadoop and PDW

Page 87: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

• Querying data in Hadoop from PDW using regular SQL queries, including

• Full SQL query access to data stored in HDFS, represented as ‘external tables’ in PDW

• Basic statistics support for data coming from HDFS

• Querying across PDW and Hadoop tables (joining ‘on the fly’)

• Fully parallelized, high performance import of data from HDFS files into PDW tables

• Fully parallelized, high performance export of data in PDW tables into HDFS files

• Integration with various Hadoop distributions: Hadoop on Windows Server, Hortonwork and Cloudera.

• Supporting Hadoop 1.0 and 2.0

Native Query Across Hadoop and PDWPolybase Features in SQL Server PDW

Page 88: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Native Query Across Hadoop and PDWCreating “External Tables”

• Internal representation of data residing in Hadoop/HDFS (delimited text files only)

• High-level permissions required for creating external tables

• ADMINISTER BULK OPERATIONS & ALTER SCHEMA

• Different than ‘regular SQL tables’: essentially read only (no DML support)

CREATE EXTERNAL TABLE table_name ({<column_definition>} [,...n ])

{WITH (LOCATION =‘<URI>’,[FORMAT_OPTIONS = (<VALUES>)])}

[;]

Indicates

“External” Table

1

Required location of

Hadoop cluster and file

2

Optional Format Options associated

with data import from HDFS

3

Page 89: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Native Query Across Hadoop and PDWQuerying Unstructured Data

1. Querying data in HDFS and displaying results in table form (using external tables)

2. Joining data from HDFS with relational PDW data

Example – Creating external table ‘ClickStream’:

CREATE EXTERNAL TABLE ClickStream(url varchar(50), event_date date, user_IP

varchar(50)), WITH (LOCATION =‘hdfs://MyHadoop:5000/tpch1GB/employee.tbl’,

FORMAT_OPTIONS (FIELD_TERMINATOR = '|'));

Text file in HDFS with | as field delimiter

SELECT top 10 (url) FROM ClickStream where user_IP = ‘192.168.0.1’ Filter query against data in

HDFS

SELECT url.description FROM ClickStream cs, Url_Description url

WHERE cs.url = url.name and cs.url=’www.cars.com’;

Join data coming from files in

HDFS (Url_Description is a second text file in HDFS)

Query Examples

1

2

SELECT user_name FROM ClickStream cs, Users u WHERE

cs.user_IP = u.user_IP and cs.url=’www.microsoft.com’;

3Join data from HDFS

with relational PDW table(Users is a distributed PDW table)

Page 90: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Native Query Across Hadoop and PDWParallel Data Import from HDFS into PDW

Persistently storing data from HDFS in PDW tablesFully parallelized via CREATE TABLE AS SELECT (CTAS) with external tables as source table and PDW tables (either distributed or replicated) as destination

CREATE TABLE ClickStream_PDW WITH DISTRIBUTION = HASH(url)

AS SELECT url, event_date, user_IP FROM ClickStream

Retrieval of data in HDFS “on-the-fly”

Enhanced

PDW query

engine

CTAS Results

External Table

DMS

Reader

1

DMS

Reader

N

HDFS bridge

Parallel

HDFS Reads

Parallel

Importing

Sensor

& RFID

Web

Apps

Unstructured data

Hadoop

Social

Apps

Mobile

Apps

Structured data

Traditional DW

applications

PDW

Page 91: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Sensor

& RFID

Web

Apps

Unstructured data

Social

Apps

Mobile

Apps

HDFS data nodes

Native Query Across Hadoop and PDWParallel Data Export from PDW into HDFS• Fully parallelized via CREATE EXTERNAL TABLE AS SELECT (CETAS) with external tables as

destination table and PDW tables as source

• ‘Round-trip of data’ possible with first importing data from HDFS, joining it with relational data, and then exporting results back to HDFS

CREATE EXTERNAL TABLE ClickStream (url, event_date, user_IP)

WITH (LOCATION =‘hdfs://MyHadoop:5000/users/outputDir’, FORMAT_OPTIONS

(FIELD_TERMINATOR = '|')) AS SELECT url, event_date, user_IP FROM ClickStream_PDW

Enhanced

PDW query

engine

CETAS Results

External Table

DMS

Writer

1

DMS

Writer

N

HDFS bridge

Parallel

HDFS Writes

Parallel

Reading

Structured data

Traditional DW

applications

PDW

Page 92: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

In-Memory for big data analyticsInteractive Analytics over “Big Data”

92

• SQL Server Analysis Services scaled out to very

large data volumes

• Sourced from “Big Data” sources, e.g.

• Hadoop, Isotope, etc.

• Enterprise data sources (SQL Server, Oracle, SAP,

etc.)

• Built upon the In-Memory Analytics engine

• In-memory, column-store, 10x compression

• Deployment vehicles: Box, Appliance, Cloud

• Customers:

• Skype, Klout, Halo 4, UBS, AdCenter, Windows

Update

XMLAWeb services

External

Data Sources

GW

Mgmt

Deploy

Monitor

AS

Instance

AS

Instance

AS

Instance

Reliable Persistent Storage

Excel, PV

3rd party apps,

tools, etc.

Page 93: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

StreamInsight

Page 94: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

StreamInsight

Page 95: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

StreamInsightManaging Streaming Data In-Memory

Customer benefits

95

Event

Output

streamInput

stream

Page 96: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Analyzing Streaming Data in the CloudStreamInsight on Windows Azure

96

StreamInsight on Azure is a cloud scale service for

complex event-processing

Ideal for analyzing streaming data either born on the

cloud, or globally distributed

Customer benefits

• Insights from data in motion

• Elastic scale out in the cloud

• Simplified management via built-in connectivity

• Low TCO of cloud service

Page 97: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Complete and Consistent Data Platform

Page 98: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

Call to actionDownload SQL Server 2014 CTP2

Stay tuned for availabilitywww.microsoft.com/sqlserver

Page 99: SQL Server 2014 Faster Insights from Any Data -Level 300 Presentation from Atidan

© 2013 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other

countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond

to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date

of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION