This article shows how to solve a gaps and islands problem using simple algebra.
Learn how to format your SQL Server results in Excel using conditional formatting to quickly identify patterns and issues.
This article will explain how to import the data classification metadata for a SQL Server database into Data Masker, providing a masking plan that you can use to ensure the protection of all this data. By applying the data masking operation as part of an automated database provisioning process, you make it fast, repeatable and auditable.
Business users get great value from SSAS cubes. In this article, learn how to create a drill-through action in an SSAS multi-dimensional model cube.
With progress thwarted by a committee of panjandrums, will T-SQL forever remain in the doldrums? So wonders Phil Factor.
In this article in the series, Robert Sheldon provides a deep dive into HDDs.
Phil Factor explains the factors that determine whether a column will allow null values, if you don't specify it explicitly in the column definition. If you rely on the default behavior established by your connection settings, you could be in for some nasty surprises.
Producing hierarchies from SQL tables can necessitate joining a table to itself. This article will explain how you can do this.
Today Steve asks what reasons a developer has for using stored procedures.
By SQLPals
Track SQL Server Configuration Changes Using the Error Log If you...
Good documentation gets you started. Good books get you deep. After years of working...
By Vinay Thakur
In previous posts, we looked at the SQL Server engine. for us DBAs, the...
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I have this data in a table called dbo.NFLTeams
TeamID TeamName City YearEstablished ------ -------- ---- --------------- 1 Cowboys Dallas 1960 2 Eagles Philadelphia 1933 3 Packers Green Bay 1919 4 Chiefs Kansas City 1960 5 49ers San Francisco 1946 6 Broncos Denver 1960 7 Seahawks Seattle 1976 8 Patriots New England 1960If I run this code, how many rows are returned?
SELECT YearEstablished, json_objectagg(city : TeamName) FROM dbo.NFLTeams GROUP BY YearEstablished;See possible answers