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Articles with tag stairway series Rss

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   Items 1 to 20 of 346    Older >>
 

Stairway to SQL Server Automated Database Testing Level 1: Why You Need TDD

The first article in this Stairway Series makes the case for test-driven development.  Read more...
By Sebastian Meine 2017/08/16 (first published: 2014/12/31) | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 6,242 reads

Stairway to AlwaysOn Level 2: Storage 101

In this new level of the stairway, we examine the storage knowledge you need for an AlwaysOn configuration.  Read more...
By Perry Whittle 2017/08/09 (first published: 2014/10/01) | Source: SQLServerCentral.com | Category: always on
Rating: |  Discuss |   Briefcase | 7,089 reads

Stairway to T-SQL DML Level 3: Implementing a Relational Model in SQL Server

This level of the stairway details the creation of a relational database, as well as filling in some of the history of the relational database model.  Read more...
By Gregory Larsen 2017/08/02 (first published: 2011/11/09) | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 13,156 reads

Stairway to Advanced T-SQL Level 8: Functions to Generate Date and Time values

When you build applications that store records in SQL Server you will most likely have to store date and time values as part of the data. To manage all the different date related tasks you might need to perform Microsoft has introduced a number of date functions. In this stairway I will be exploring those date and time functions.  Read more...
By Gregory Larsen 2017/07/19 (first published: 2015/10/21) | Category: stairway series
Rating: |  Discuss |   Briefcase | 7,407 reads

Stairway to Advanced T-SQL Level 7: Ordering Your Data Using Ranking Functions

In SQL Server there are 4 different ranking functions: RANK, DENSE_RANK, NTILE, and ROW_NUMBER. These ranking functions were introduced in SQL Server 2005. In this stairway level I will be reviewing each of these different ranking functions, and will show you how to use them by providing a few examples.  Read more...
By Gregory Larsen 2017/07/14 (first published: 2015/09/02) | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 8,595 reads

Stairway to DAX and Power BI - Level 8: The DAX COUNT() and COUNTX() Functions

As a part of his “Function / Iterator Pairs” mini-series, Business Intelligence architect, Analysis Services Maestro, and author Bill Pearson introduces the DAX COUNT() and COUNTX() functions, discussing similarities and differences. He then provides some hands-on exposure to the use of each, particularly in combination with other DAX functions, in generating counts to meet differing needs within our PowerPivot model designs.  Read more...
By Bill Pearson 2017/07/12 (first published: 2015/01/07) | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 2,946 reads

Stairway to U-SQL Level 15: U-SQL Global Scalar Functions With C#

In this article, see how to created shared functions using C# assemblies in U-SQL.  Read more...
By Mike McQuillan 2017/06/14 | Source: SQLServerCentral.com | Category: u-sql
Rating: |  Discuss |   Briefcase | 436 reads

Stairway to Columnstore Indexes Level 13: Improvements in SQL Server 2016

This stairway series was started in 2015. As such, the focus was on SQL Server 2012 and SQL Server 2014 only. When SQL Server 2016 was released, with lots of improvements in the columnstore technology, I decided to finish the planned levels with the original focus on SQL Server 2012 and 2014, and add one extra level with a brief overview of the improvements available in SQL Server 2016.  Read more...
By Hugo Kornelis 2017/06/07 | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 915 reads

Stairway to U-SQL Level 14: Local U-SQL Scalar Functions with C#

Learn how U-SQL leverages C# to support flexible scalar functions in your scripts.  Read more...
By Mike McQuillan 2017/05/31 | Source: SQLServerCentral.com | Category: u-sql
Rating: (not yet rated) |  Discuss |   Briefcase | 540 reads

Stairway to Columnstore Indexes Level 12: Clustered or Nonclustered?

The previous levels of this stairway describe details, features, and limitations of columnstore indexes in SQL Server. But they do not answer what should be the first question for every database professional: should columnstore indexes be used in my databases; on what tables should they be used; and should they be clustered or nonclustered columnstore indexes?  Read more...
By Hugo Kornelis 2017/05/24 | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 853 reads

Stairway to DAX and Power BI - Level 7: Function / Iterator Function Pairs: The DAX AVERAGE() and AVERAGEX() Functions

Business Intelligence architect, Analysis Services Maestro, and author Bill Pearson explores the DAX AVERAGE() and AVERAGEX() functions, comparing and contrasting the two. He then provides some hands-on exposure to the use of each, particularly in combination with other DAX functions, in generating arithmetic means within our PowerPivot model designs.  Read more...
By Bill Pearson 2017/05/03 (first published: 2014/09/17) | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 3,100 reads

Stairway to Columnstore Indexes Level 2: Columnstore Storage

To fully appreciate just how different columnstore indexes are, and why work so well in reporting and online analytical processing (OLAP) workloads, but not for online transaction processing (OLTP), we must first look at the traditional “rowstore” indexes.  Read more...
By Hugo Kornelis 2017/04/21 (first published: 2015/04/29) | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 7,015 reads

SQL Server Extended Properties: Stairway to Exploring Database Metadata Level 7

In this level, I’ll introduce Extended Properties. As with the previous levels, I want to illustrate as much as possible with practical and immediately useful code.   Read more...
By Phil Factor 2017/02/22 | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 870 reads

Stairway to Server Management Objects (SMO) Level 3: The Database Class

Learn how to get started working with SMO and PowerShell.  Read more...
By Laerte Junior 2017/02/01 | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 980 reads

Stairway to Columnstore Indexes Level 11: Optimizing Queries For Batch Mode (Part 2)

Hugo Kornelis continues his exploration of the types of queries that can end up running in row mode when accessing columnstore indexes. He demonstrates how careful rewriting can often yield a logically equivalent query that runs in batch mode instead, and therefore gains the best possible performance benefit.  Read more...
By Hugo Kornelis 2017/01/04 | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 776 reads

Stairway to Biml Level 1: What is Biml?

An introduction to the Biml language from Andy Leonard that helps  Read more...
By Andy Leonard 2017/01/02 (first published: 2013/07/17) | Source: SQLServerCentral.com | Category: biml
Rating: |  Discuss |   Briefcase | 38,212 reads

Level 3 - Building the Ideal VMware-based SQL Server Virtual Machine

In this level of the Stairway to SQL Server Virtualization David looks at the ideal virtual machine setup for a SQL Server instance on VMware.  Read more...
By David Klee 2016/12/23 (first published: 2015/05/20) | Source: SQLServerCentral.com | Category: virtualization
Rating: |  Discuss |   Briefcase | 9,550 reads

Idempotent DDL Scripts That Always Achieve The Same Result - Making Changes Only Once: Stairway to Exploring Database Metadata Level 6

Idempotence is the property of certain operations in mathematics and computer science, that can be applied multiple times without changing the result beyond the first time they are run. When you are making changes to a database to deploy a new version, you need to be sure that certain changes aren’t made twice, or in the wrong order.  Read more...
By Phil Factor 2016/12/21 | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 949 reads

Exploring Facts About SQL Server Tables: Stairway to Exploring Database Metadata Level 5

Now that we've explored, in preceding levels, some of the information that is available about indexes, triggers, keys and distribution statistics, we can concentrate on the tables themselves and their columns.  Read more...
By Phil Factor 2016/12/07 | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 1,212 reads

Stairway to Columnstore Indexes Level 10: Optimizing Queries For Batch Mode (Part 1)

In this level, Hugo Kornelis looks at how to rewrite your queries to best take advantage of batch mode.  Read more...
By Hugo Kornelis 2016/11/23 | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 1,242 reads
   Items 1 to 20 of 346    Older >>