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T-SQL Dev | Tales of database development | lextonr.wordpress.com Reviews
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Tales of database development
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Get Precise Age | T-SQL Dev
https://lextonr.wordpress.com/2016/09/06/get-precise-age
Tales of database development. It seems a simple thing: determine the age of a person. Given his/her birth date, and the current date, the maths are quite obvious and a human does the calculation with ease. However… it is surprising that software doesn’t often ship with native functions adequate to the task. Want to see what I mean? Let’s start with the basic. Function, using year as the datepart argument. Declare and initialize variables. Use datediff to calculate the difference. So far so good! As can ...
Shredding XML | T-SQL Dev
https://lextonr.wordpress.com/2014/05/12/shredding-xml
Tales of database development. There are multiple ways to shred XML within SQL Server, each with pros and cons. So which to choose? Barring rigid requirements about how the XML is sourced or other factors, why not choose based on performance? Surely no one would disagree with using the quickest method… so let’s explore which one is faster. To start, let’s turn off record count display because we’ll use. Statements to see how long actions take. Turn off record count display to keep our output clean. With ...
Convert Rows to Column (Part II) | T-SQL Dev
https://lextonr.wordpress.com/2012/11/07/convert-rows-to-column-part-ii
Tales of database development. Convert Rows to Column (Part II). In a previous post. We demonstrated how to use the FOR XML clause to concatenate multiple rows of one data field into a single row of one data field. While that technique is quite handy, what about when there are multiple fields to be concatenated? In other words, what if the native data has a one-to-many relationship but we need to return a one-to-one record set without losing any of the fields or data? Set the database context. Join to co...
Convert Rows to Column (singular) | T-SQL Dev
https://lextonr.wordpress.com/2012/03/28/convert-rows-to-column-singular
Tales of database development. Convert Rows to Column (singular). Text fields are used to record information ancilary to sales orders, purchase orders, customer records, and various other data sets. A user has requested that these notes be displayed at the header level of the related parent data record. If the child table foreign key exists, drop it. If the parent table exists, drop it. Create the parent table. 1 ) NOT NULL. 50 ) NOT NULL. PK Records PRIMARY KEY NONCLUSTERED. Populate the parent table.
utfNumbers | T-SQL Dev
https://lextonr.wordpress.com/2011/11/22/utfnumbers
Tales of database development. A helpful function borrowed from Itzik Ben-Gan. A table of numbers comes in very handy, especially when it takes virtually no disk space. Create a table-valued function. To use the function, simply select ‘n’ from the function as though it was a regular table, passing in as a parameter the total number of numbers you want returned. The example below will return 100 rows containing one column of values from one to 100. Display content of the function. 22 Nov 2011 at 0022.
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Technical Blog: Microsoft SQL Server
http://paulmjclark.blogspot.com/p/microsoft-sql-server.html
This blog is mostly a blog for me with hints to remember those little bits of code etc where ever I am. Please be aware of this when reading any of the posts as they are mainly reminders for me. When I get time I will try to flesh out those sections that are a little ambiguous. Http:/ www.sqlservercentral.com/. Http:/ technet.microsoft.com/en-gb/sqlserver/default.aspx. Http:/ weblogs.sqlteam.com/jeffs/Default.aspx. Http:/ www.w3schools.com/sql/default.asp. Http:/ lextonr.wordpress.com/. Remove Witness &#...
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Lexton Law Solicitors - Criminal Law | Conveyancing | Immigration | Wills & Probate | Family Law
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T-SQL Dev | Tales of database development
Tales of database development. It seems a simple thing: determine the age of a person. Given his/her birth date, and the current date, the maths are quite obvious and a human does the calculation with ease. However… it is surprising that software doesn’t often ship with native functions adequate to the task. Want to see what I mean? Let’s start with the basic. Function, using year as the datepart argument. Declare and initialize variables. Use datediff to calculate the difference. So far so good! As can ...
Lexton SA Group | Global Commodities and Product Supplier | Global Commodities and Products Supplier
Lexton SA Group is a privately held company that imports, exports and distributes consumer products. We specialize in the following product categories:. 1 Kitchen appliances and houseware products. 2 Home and lifestyle electronics. 3 Fashion and Sports accessories. 4 Health and beauty products.
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Blog de LexTony - Blog de LexTony - Skyrock.com
Mot de passe :. J'ai oublié mon mot de passe. Plus d'actions ▼. S'abonner à mon blog. Création : 25/05/2013 à 19:47. Mise à jour : 02/09/2013 à 18:35. Ajouter cette vidéo à mon blog. N'oublie pas que les propos injurieux, racistes, etc. sont interdits par les conditions générales d'utilisation de Skyrock et que tu peux être identifié par ton adresse internet (67.219.144.170) si quelqu'un porte plainte. Ou poster avec :. Posté le lundi 02 septembre 2013 18:35. Ajouter cette vidéo à mon blog. N'oublie pas ...
