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Content with tag Stairway Series Rss

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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

Stairway to MDX - Level 2: The Ordinal Function

Business Intelligence Architect Bill Pearson introduces the MDX Ordinal Function, as a means for generating lists and for conditionally presenting calculations. He also demonstrates the use of the function in creating datasets to support report parameter picklists.  Read more...
By Bill Pearson 2017/11/15 (first published: 2011/02/17) | Source: SQLServerCentral.com | Category: mdx
Rating: |  Discuss |   Briefcase | 16,918 reads

Stairway to Row-Level Security

This series looks at row based access control in SQL Server 2016+ as implemented in the Row-Level Security feature.  Read more...

Stairway to Database Design Level 5: Procedures

Joe Celko tackles the subject of the Stored Procedure and its place in database design. What he writes is food for thought, even for experienced database developers.  Read more...
By Joe Celko 2017/10/25 (first published: 2010/08/25) | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 14,216 reads

Deeper into Nonclustered Indexes: Stairway to SQL Server Indexes Level 2

By this stage, you should be familiar with the basics of SQL Server indexes. We've discussed what an Index actually is, as well as some of the most common types you're likely to encounter. Now that we've seen some simple examples of how Indexes can be useful, we're going to delve deeper into nonclustered indexes, as we'll see how they can improve the performance of more complex queries.  Read more...
By David Durant 2017/10/18 (first published: 2014/11/26) | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 28,562 reads

Stairway to SQL Server Agent - Level 2: Job Steps and Subsystems

SQL Server Agent jobs are made up of a series of one or more Job Steps. A job step is assigned to a specific job subsystem, which identifies the kind of work the job step is going to perform. Each job step runs in a separate security context, although each job also has an owner that determines who can modify the job.  Read more...
By Richard Waymire 2017/10/11 (first published: 2011/02/17) | Source: SQLServerCentral.com | Category: sql agent
Rating: |  Discuss |   Briefcase | 8,049 reads

Stairway to Advanced T-SQL Level 9: Compare, Modify, Derive and Validate Date and Time Values

When you build applications that store data in SQL Server you will most likely have to store dates and times, and you’ll call functions to do date manipulations. It is important to understand the different date and time data types, and when to use one data type over another. In this level I will be exploring the different date and time data types and discussing when each type is appropriate.  Read more...
By Gregory Larsen 2017/09/27 (first published: 2015/11/25) | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 6,445 reads

Stairway to U-SQL Level 17: Executing U-SQL Jobs with PowerShell

Automate your Data Lake with PowerShell! Learn how PowerShell can be used to execute U-SQL scripts, as well as a few other little tricks.  Read more...
By Mike McQuillan 2017/09/20 | Source: SQLServerCentral.com | Category: u-sql
Rating: |  Discuss |   Briefcase | 534 reads

Moving Dynamic Data Masked Data to New Locations

In this level of the Stairway to Dynamic Data Masking we examine how masking affects data movement.  Read more...
By Steve Jones 2017/09/13 | Source: SQLServerCentral.com | Category: dynamic data masking
Rating: |  Discuss |   Briefcase | 391 reads

Using SQL Server Dynamic Online Catalog to Explore Keys and Relationships: Stairway to Exploring Database Metadata Level 4

This level introduces keys, constraints, and relationships.  Read more...
By Phil Factor 2017/09/06 (first published: 2016/10/19) | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 1,610 reads

Stairway to U-SQL Level 16: The Azure Data Lake Catalog

Delve behind the scenes and learn about the catalog used to manage Azure Data Lakes.  Read more...
By Mike McQuillan 2017/08/30 | Source: SQLServerCentral.com | Category: azure
Rating: |  Discuss |   Briefcase | 608 reads

Stairway to SQL Server Extended Events Level 1: From SQL Trace to Extended Events

Over the course of this stairway series, we're going to explore in detail the use of Extended Events as a diagnostic data collection tool, to track down causes of poor performance in SQL Server. This first level will start from a point known and familiar to many DBAs, namely the use of SQL Trace to track down and investigate long-running queries.  Read more...
By Erin Stellato 2017/08/23 (first published: 2015/12/23) | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 7,009 reads

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 | 6,674 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 | 7,418 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 | 13,500 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 | 7,629 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 | 9,134 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 | 3,043 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 | 497 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 | 1,245 reads
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