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Articles with tag T-SQL Rss

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TRY_PARSE

Introducing the PARSE function, brought to us in SQL Server 2012.  Read more...
By Matthew McGiffen 2018/09/13 | Source: SQLServerCentral.com | Category: t-sql
Rating: |  Discuss |   Briefcase | 1,457 reads

What is the impact of setting SET ANSI_WARNINGS OFF?

Setting ANSI_WARNINGS OFF to avoid NULL value elimination warnings can have an impact on the data quality and system behaviour.  Read more...
By Nakul Vachhrajani 2018/09/11 (first published: 2016/08/23) | Source: SQLServerCentral.com | Category: set options
Rating: |  Discuss |   Briefcase | 4,233 reads

Creating Subtotals and Totals in Aggregated Queries

Grouping Sets are an effective way to add subtotals to aggregated queries. T His article explains how.  Read more...
Rating: |  Discuss |   Briefcase | 1,598 reads

Displaying Hierarchical Data

Producing hierarchies from SQL tables can necessitate joining a table to itself. This article will explain how you can do this.  Read more...
By Adam Aspin 2018/08/30 | Source: SQLServerCentral.com | Category: t-sql
Rating: |  Discuss |   Briefcase | 1,474 reads

Count the Number of Weekend Days between Two Dates

Handling weekends can be tricky in SQL. This article shows you how to Count the Number of Weekend Days between Two Dates  Read more...
By Adam Aspin 2018/08/23 | Source: SQLServerCentral.com | Category: t-sql
Rating: |  Discuss |   Briefcase | 1,109 reads

Aggregate Data for the Last Day of the Month

On some occasions you will need to aggregate Data for the Last Day of the Month. This article explains how.  Read more...
By Adam Aspin 2018/08/16 | Source: SQLServerCentral.com | Category: t-sql
Rating: |  Discuss |   Briefcase | 1,163 reads

Rounding Tips and Tricks

This article shows different options to use the rounding functions in SQL Server.  Read more...
By Luis Cazares 2018/08/10 (first published: 2016/09/20) | Source: SQLServerCentral.com | Category: t-sql
Rating: |  Discuss |   Briefcase | 3,104 reads

Using a CTE as a Tally Table

Sometimes you need to output blank lines - in effect displaying Records for Missing Data. This article explains how to use a CTE to do this  Read more...
By Adam Aspin 2018/08/09 | Source: SQLServerCentral.com | Category: t-sql
Rating: |  Discuss |   Briefcase | 1,835 reads

Using a Derived Table to Compare Data with Values from a Previous Year

Comparing year on year sales is a fundamental requirement in much commercial analysis - here you learn how to do this in SQL  Read more...
By Adam Aspin 2018/08/02 | Source: SQLServerCentral.com | Category: t-sql
Rating: |  Discuss |   Briefcase | 1,331 reads

Display Median Values

DO you know how to display median values from a Dataset? In this short article you will use windowing functions to do this  Read more...
By Adam Aspin 2018/07/26 | Source: SQLServerCentral.com | Category: t-sql
Rating: |  Discuss |   Briefcase | 966 reads

PARSE

Introducing the PARSE function, brought to us in SQL Server 2012.  Read more...
By Matthew McGiffen 2018/07/24 | Source: SQLServerCentral.com | Category: parse()
Rating: |  Discuss |   Briefcase | 1,603 reads

Segment Data into Deciles

This short article shows a simple example of how to segment data into deciles  Read more...
Rating: |  Discuss |   Briefcase | 850 reads

T-SQL Window Functions and Performance

T-SQL window functions, introduced in 2005 with enhancements in 2012, are great additions to the T-SQL language. In this article, Kathi Kellenberger explains what you need to know to get good performance when using these functions.  Read more...
By Additional Articles 2018/07/16 | Source: SimpleTalk | Category: t-sql
Rating: (not yet rated)  Rate this |   Briefcase | 4,014 reads

Generating Completely Random Sample Output from a Dataset

This short article shows a simple example of how to generate completely random sample output from a Dataset  Read more...
By Adam Aspin 2018/07/12 | Source: SQLServerCentral.com | Category: t-sql
Rating: |  Discuss |   Briefcase | 803 reads

Ensuring Each Client has a Full Set of Key-Value Pairs

In this piece, we find out about a business issue that can occur when using key value pairs in your database to describe information about other entities.  Read more...
By Steve Jones 2018/07/10 | Source: SQLServerCentral.com | Category: data integrity
Rating: |  Discuss |   Briefcase | 557 reads

Creating Compound Interest Calculations in SQL

This is the first article in a short series of SQL Server query challenges to test and expand your SQL Server querying skills  Read more...
By Adam Aspin 2018/07/05 | Source: SQLServerCentral.com | Category: t-sql
Rating: |  Discuss |   Briefcase | 1,197 reads

Using Parameters for SQL Server Queries and Stored Procedures

One of the benefits of SQL is the ability to write a query and use parameters to dynamically act upon the resultset. Depending on the situation, there can be benefits to parameterizing queries, but it is not always clear when or how to do this. In this tip we look at different ways to pass in values as parameters to queries and the advantages and disadvantages.  Read more...
By Additional Articles 2018/07/05 | Source: MSSQLTips.com | Category: parameters
Rating: (not yet rated)  Rate this |   Briefcase | 3,568 reads

The OUTPUT Clause for INSERT and DELETE Statements

In this article, I will provide a set of examples to show case the use of OUTPUT clause for INSERT and DELETE statements.  Read more...
By Amarendra Reddy Thummeti 2018/06/28 (first published: 2017/05/25) | Source: SQLServerCentral.com | Category: t-sql
Rating: |  Discuss |   Briefcase | 6,354 reads

Introduction to T-SQL Window Functions

T-SQL window functions were introduced in 2005 with more functionality added in 2012. Many database professionals are not aware of these useful functions. In this article, Kathi Kellenberger provides a quick overview of just what a window function is as well as examples of each type of function.  Read more...
By Additional Articles 2018/06/28 | Source: SimpleTalk | Category: window functions
Rating: (not yet rated)  Rate this |   Briefcase | 4,147 reads

Common Mistakes

This week Steve Jones is wondering what the common mistakes that T-SQL developers make are.  Read more...
By Steve Jones 2018/06/22 | Source: SQLServerCentral.com | Category: editorial
Rating: |  Discuss |   Briefcase | 502 reads
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