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Stairway to Columnstore Indexes Level 5: Adding New Data To Columnstore Indexes

Earlier levels have shown how Columnstore Indexes work effectively with static data. In most tables however, data is hardly ever static. We are constantly inserting new rows, and updating or deleting existing rows. If you think about what this means for a columnstore index, you will realize that this comes with some unique challenges.  Read more...
By Hugo Kornelis 2018/04/18 (first published: 2015/11/04) | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 3,571 reads

Row-Level Security Predicate Functions - Level 2 of the Stairway to Row Level Security

In this level, we dive deeper into predicates and the various ways to structure them in an RLS environment.  Read more...
By Steve Jones 2018/04/11 | Source: SQLServerCentral.com | Category: row-level security (rls)
Rating: |  Discuss |   Briefcase | 584 reads

Stairway to Biml Level 4: Using Biml as an SSIS Design Patterns Engine

In this level, we make a large leap forward, showing you how to use BIML to script a large number of packages using C#.  Read more...
By Andy Leonard 2018/04/04 (first published: 2013/08/14) | Source: SQLServerCentral.com | Category: biml
Rating: |  Discuss |   Briefcase | 13,009 reads

Stairway to Advanced T-SQL Level 3: Understanding Common Table Expressions (CTEs)

A CTE is a temporary result set defined by a simple query, and is used within the execution scope of a single INSERT, UPDATE, DELETE, or SELECT statement. In this article we will explore how to define and use CTE's.  Read more...
By 2018/03/21 (first published: 2015/03/18) | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 15,880 reads

Stairway to Columnstore Indexes Level 3: Building The Columnstore

The performance increase columnstore indexes grant when reading data from the index is offset by the expensive process required to build the index. In this Stairway level, Hugo Kornelis walks you through the steps SQL Server takes when building (or rebuilding) a columnstore index.  Read more...
By Hugo Kornelis 2018/02/28 (first published: 2015/06/10) | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 5,150 reads

Stairway to Database Design Level 9: Normalization

In the final step of Database Design, Joe Celko gives a simple but effective explanation of the normalization process and why it is important.  Read more...
By Joe Celko 2018/02/21 (first published: 2011/11/11) | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 12,501 reads

Stairway to Advanced T-SQL Level 6: Creating Rows Of Data Using The UNPIVOT Operator

The UNPIVOT operator does just the opposite of the PIVOT operator, which we looked at in the previous level. By using the PIVOT operator we can take multiple rows of data and create as single row as output. The UNPIVOT operator will take values from a single row and will create multiple rows. Microsoft introduced the UNPIVOT operator when they rolled out SQL Server 2005. In this level I will be showing you different examples of how to use the UNPIVOT operator.  Read more...
By Gregory Larsen 2018/02/07 (first published: 2015/06/24) | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 6,115 reads

Stairway to DAX and Power BI - Level 13: Simple Context Manipulation: Introducing the DAX All() Function

Business Intelligence Architect, Analysis Services Maestro, eight-year Microsoft Data Platform MVP and author Bill Pearson introduces the DAX All() function, discussing its syntax, basic uses and operation. He then provides hands-on exposure to All(), focusing largely upon its most basic uses in manipulating filter context.  Read more...
By Bill Pearson 2018/01/31 | Source: SQLServerCentral.com | Category: stairway series
Rating: (not yet rated) |  Discuss |   Briefcase | 389 reads

Stairway to Database Design Level 7: Triggers

In levels one to four, we built the tables, base and virtual, of a schema. Levels five and six dealt with stored procedures. This level deals with a feature you need to avoid as much as possible; this is article is on Triggers.  Read more...
By Joe Celko 2018/01/24 (first published: 2011/09/30) | Category: stairway series
Rating: |  Discuss |   Briefcase | 10,659 reads

Stairway to U-SQL Level 1: Introduction to U-SQL and Azure Data Lakes

An introductory guide to querying files in Azure Data Lakes using Microsoft's U-SQL language.  Read more...
By Mike McQuillan 2018/01/19 (first published: 2016/06/15) | Source: SQLServerCentral.com | Category: azure
Rating: |  Discuss |   Briefcase | 6,986 reads

Stairway to MDX - Level 5: Members, and an Introduction to the MDX Members Functions

Bill explains what is meant by a 'Member' and 'Member function' in MDX. A member is an item in a dimension that include the 'measures' which are the values of the attributes that belong to a dimension. 'Measures' are themselves members of a dimension called the “measures” dimension. MDX has a set of functions, known as member functions, each of which allow us to perform operations upon any member of a dimension   Read more...
By Bill Pearson 2018/01/17 (first published: 2011/09/02) | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 8,067 reads

Stairway to SQL Server Agent - Level 4: Configuring Database Mail

Examines the database mail system configuration in depth. You will learn how to configure database mail to work with SMTP mail systems, and get some troubleshooting tips.  Read more...
By Richard Waymire 2018/01/10 (first published: 2011/07/28) | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 5,618 reads

Stairway to MDX - Level 4: The Order() Function: Beyond Cube Hierarchies

Bill Pearson continues his examination of the versatile Order() function, focusing upon its use in providing dataset sorts that reach beyond dimensional hierarchies  Read more...
By Bill Pearson 2018/01/03 (first published: 2011/08/26) | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 7,070 reads

Level 4 - Building the Hyper-V VM

In this level of the Stairway to Server Virtualization, learn how to build a Hyper-V virtual machine for SQL Server.  Read more...
By David Klee 2017/12/29 (first published: 2015/10/07) | Source: SQLServerCentral.com | Category: virtualization
Rating: |  Discuss |   Briefcase | 4,649 reads

An Introduction: Level 1 of the Stairway to Row-Level Security

Learn the basics of how Row-Level Security works in SQL Server.  Read more...
By Steve Jones 2017/12/28 | Source: SQLServerCentral.com | Category: row level security (rls)
Rating: |  Discuss |   Briefcase | 1,061 reads

Stairway to SQL Server Extended Events Level 3: Working with the Extended Events UI

In the next installment of our stairway to Extended Events, we delve into the Live Data and Target Data Viewers.  Read more...
By Erin Stellato 2017/12/27 (first published: 2016/05/25) | Source: SQLServerCentral.com | Category: extended events (xe)
Rating: |  Discuss |   Briefcase | 2,249 reads

Stairway to SQL Server Extended Events Level 2: Creating Basic Event Sessions in the UI

In this Level, we'll walk through the basics of using the New Session dialog in the UI to create a new event session, define its events, actions and predicates, and establish a target for the session in which to collect the event data.  Read more...
By Erin Stellato 2017/12/20 (first published: 2016/01/13) | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 4,358 reads

Stairway to SQL Server Agent - Level 3: Agent Alerts and Operators

How to be notified when a job succeeds or fails, or be notified when a SQL Server performance condition is met.  Read more...
By Richard Waymire 2017/12/13 (first published: 2011/06/29) | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 8,618 reads

Stairway to SQL PowerShell Level 4: Objects in SQL PowerShell

This far, we have learned about installation and setup of the PowerShell environment. You should now have a foundation of SQL Server PowerShell. We now are ready to learn about Objects in SQL PowerShell.  Read more...
By Ben Miller 2017/12/06 (first published: 2012/10/22) | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 10,917 reads

Stairway to MDX - Level 3: The Order() Function

The Order() function provides the 'hierarchized' sorts you need for reports and applications using MDX. In this Step, Business Intelligence Architect Bill Pearson explores using the versatile Order() function for providing dataset sorts that respect dimensional hierarchies.  Read more...
By Bill Pearson 2017/11/22 (first published: 2011/05/25) | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 11,029 reads
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