SQL Persisted Computed Column ANSI_NULLS
I had to recreate a table in SQL Server just because it was created with ANSI_NULLS ON
Here you can check the requirements to create a persisted computed column on...
How to Access the Previous Row and Next Row value in SELECT statement?
LAG - http://msdn.microsoft.com/en-us/library/hh231256.aspx
USE AdventureWorks2012;
GO
SELECT BusinessEntityID, YEAR(QuotaDate) AS SalesYear, SalesQuota AS CurrentQuota,
LAG(SalesQuota, 1,0) OVER (ORDER BY YEAR(QuotaDate)) AS PreviousQuota
FROM Sales.SalesPersonQuotaHistory
WHERE BusinessEntityID = 275...
Reset Identity value
Today, i needed to reset the Identity value for one column in the SQL Server database. I used the following commando to view the current identity value: ...
Query performance for JSON objects inside SQL Server using JSON_VALUE function
Following up on this article about querying JSON Data I would like to talk about how to improve searches on JSON data inside SQL Server. Starting SQL Server 2016...
Provision a database programmatically in Azure SQL database with a failover group
This post will explain how to provision a database programmatically in a Azure SQL database and add it to an Azure SQL failover group.
Introduction
An Azure SQL Server failover group...
.NET EF Core 6 support for groupby top(n) queries
EF Core 6 comes with some GroupBy queries improvements. In this post I wanna talk about the improvements related to "group by top(n)" queries.
Let's say we have the following...
Strange behavior with “Merge Join” in SSIS
If the datasources of the Merge Join block in SSIS aren't sorted the merge will not work correctly.
Strange behavior will occur if the datasources aren't sorted equal by the...
Webcasts: SOA, WSE, Biztalk
Os webcasts da MS são das formas mais interessantes de ter overviews rápidos de determinada tecnologia ou tema. De entre os webcasts dos próximos dias, seleccionei os seguintes, que...
Enterprise Library: Criar ligação à base de dados de forma dinâmica
Já alguma vez precisaram, usando o Enterprise Library, de estabelecer uma ligação com um número de base de dados variável e em que a base de dados a ligar...
Full-Text Search: Actualizar múltiplos cátalogos de pesquisa
Introdução
O Sql Server possui um mecanismo de pesquisa de texto com base na indexação de colunas de tabelas numa base de dados chamado Full-Text Search. Este mecanismo de pesquisa...