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Articles with tag t-sql Rss

Search for any content tagged t-sql

<< Newer    Items 21 to 40 of 1121    Older >>
 

Calculating the Median Value within a Partitioned Set Using T-SQL

It is ironic that one of the most essential of statistical aggregations, the median, has been so difficult in the past to calculate efficiently in SQL. Dwain Camps sets the candidates to work and identifies the winners and losers.   Read more...
By Additional Articles 2014/01/22 | Source: SimpleTalk | Category: median
Rating:  Rate this |   Briefcase | 2,330 reads

Fun with Outer Joins

Learn how an outer join works and how you can use it in your applications to find the results you need when matching data isn't in all your tables.  Read more...
By Kenneth Fisher 2014/01/17 (first published: 2012/09/10) | Source: SQLServerCentral.com | Category: t-sql
Rating: |  Discuss |   Briefcase | 21,614 reads

Calculating Duration Using DATETIME Start and End Dates (SQL Spackle)

It's an old problem with a solution that's nearly as old. SQL Server MVP Jeff Moden shows us the old trick mixed with a slick trick to format the duration as extended hours, minutes, seconds, and milliseconds.   Read more...
By Jeff Moden 2014/01/16 | Source: SQLServerCentral.com | Category: t-sql
Rating: |  Discuss |   Briefcase | 10,284 reads

Stairway to T-SQL: Beyond The Basics Level 1: The TOP Clause

The first topic in this stairway will be discussing the TOP clause. The TOP clause allows you to control the number of rows to be returned or affected by a query.  Read more...
By Gregory Larsen 2014/01/15 | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 11,040 reads

A Simple Recursion Finds Joins

When you need to find all the related rows and tables to a parent table, here's one way you might approach the problem.   Read more...
By Kate Luxemburg 2014/01/06 | Source: SQLServerCentral.com | Category: t-sql
Rating: |  Discuss |   Briefcase | 7,937 reads

Hidden Formatting Troubles with STR() (SQL Spackle)

Fill in another bit of your T-SQL knowledge about STR(). It right justifies, rounds, and controls the output width of columns. Sounds perfect but here's why you might not want to use it.  Read more...
By Jeff Moden 2014/01/02 (first published: 2010/12/15) | Source: SQLServerCentral.com | Category: t-sql
Rating: |  Discuss |   Briefcase | 10,923 reads

Free eBook: 45 Database Performance Tips for Developers

As a developer, if you need to go into the database and write queries, design tables, or determine the configuration of your SQL Server Systems, these tips should help make sure you're not unnecessarily sacrificing database performance. This eBook has 45 easy tips to improve the performance of your indexes and T-SQL queries, and hunt down problems within ORM tools and database design.   Read more...
By Press Release 2014/01/02 (first published: 2013/11/04) | Source: Red-Gate | Category: tips
Rating:  Rate this |   Briefcase | 14,949 reads

How to Compare Rows within Partitioned Sets to Find Overlapping Dates

How to Compare Rows within Partitioned Sets to Find Overlapping, Contiguous, or Gap dates  Read more...
By Kevin Wu 2013/12/25 (first published: 2010/10/11) | Source: SQLServerCentral.com | Category: cte
Rating: |  Discuss |   Briefcase | 6,820 reads

Automation: Changing SQL Service Startup Parameters using T-SQL

Quick and efficent way to change SQL service startup parameters for 1000 instances!  Read more...
By Shaunt Khalatian 2013/12/19 | Source: SQLServerCentral.com | Category: automation
Rating: |  Discuss |   Briefcase | 2,785 reads

The Zero to N Parameter Problem (Sql Server 2005 and Up -- Update)

This article uses XML to deal with optional parameters along with multiple parameter passed into a stored procedure. (Note: We are re-running this as we had a newsletter issue last week)  Read more...
By Sloan Holliday 2013/12/16 (first published: 2013/12/10) | Source: SQLServerCentral.com | Category: t-sql
Rating: |  Discuss |   Briefcase | 7,079 reads

Webinar: T-SQL Tips and Tricks

Nigel Sammy will be presenting this PASS Data Architecture VC webinar on December 19 at 12PM CST. The webinar will share insight on how basic query structure and logic works so you can avoid wasting too much time on trial and error when writing queries.   Read more...
By Press Release 2013/12/16 | Source: PASS | Category: webinar
Rating: (not yet rated)  Rate this |   Briefcase | 4,356 reads

The Zero to N Parameter Problem (Sql Server 2005 and Up -- Update)

This article uses XML to deal with optional parameters along with multiple parameter passed into a stored procedure. (Note: We are re-running this as we had a newsletter issue last week)  Read more...
By Sloan Holliday 2013/12/16 (first published: 2013/12/10) | Source: SQLServerCentral.com | Category: t-sql
Rating: |  Discuss |   Briefcase | 7,079 reads

A few reflections on RBAR by a weary application developer

Follow the guidance of your DBA, but remember, he or she is from another land.  Read more...
By George Copeland 2013/12/09 | Source: SQLServerCentral.com | Category: t-sql
Rating: |  Discuss |   Briefcase | 6,687 reads

SQL Server Database Backup and Restore with Windows Azure Blob Storage Cloud Services using T-SQL Commands

SQL Server 2012 introduces a new feature to issues backups on the Windows Azure Blob Storage service directly and restore from there when needed. But how does it work and how to get started using T-SQL commands for backup and restore operation?   Read more...
By Additional Articles 2013/12/09 | Source: MSSQLTips.com | Category: backup / restore
Rating: (not yet rated)  Rate this |   Briefcase | 2,625 reads

T-SQL Best Practices - Don't Use Scalar Value Functions in Column List or WHERE Clauses

A classic article by Gerg Larsen explaining how and how not to use a function within your T-SQL statements. Where you place your function within your T-SQL statements determines how your query will be processed and can severely impact the query execution plan and the performance of your query.   Read more...
By Additional Articles 2013/11/28 | Source: Database Journal | Category: t-sql
Rating:  Rate this |   Briefcase | 5,976 reads

Core T-SQL

Steve Jones thinks there is a list of core skills that any database developer or DBA needs. This week he asks you for a list of those things you think should be included.  Read more...
By Steve Jones 2013/11/22 | Source: SQLServerCentral.com | Category: editorial
Rating: |  Discuss |   Briefcase | 524 reads

SQL CLR Multi-Threaded File Copy

A CLR Procedure that performs multi-threaded fie copies without external command line tools.  Read more...
By Steve Ledridge 2013/11/19 | Source: SQLServerCentral.com | Category: async
Rating: |  Discuss |   Briefcase | 2,295 reads

Outer Join – What am I missing (SQL Spackle)

This article shows how to find missing rows in a table using a outer join.   Read more...
By Patrick Cahill 2013/11/12 | Source: SQLServerCentral.com | Category: outer joins
Rating: |  Discuss |   Briefcase | 11,273 reads

Free eBook: 45 Database Performance Tips for Developers

As a developer, if you need to go into the database and write queries, design tables, or determine the configuration of your SQL Server Systems, these tips should help make sure you're not unnecessarily sacrificing database performance. This eBook has 45 easy tips to improve the performance of your indexes and T-SQL queries, and hunt down problems within ORM tools and database design.   Read more...
By Press Release 2014/01/02 (first published: 2013/11/04) | Source: Red-Gate | Category: tips
Rating:  Rate this |   Briefcase | 14,949 reads

The T-SQL Paradigm

This Friday, Steve Jones looks for opinions on what you think of the T-SQL language. Is it well structured or does it really need help?  Read more...
By Steve Jones 2013/11/01 | Source: SQLServerCentral.com | Category: editorial
Rating: |  Discuss |   Briefcase | 654 reads
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