Unlike the hierarchical database model, which created a tree structure in which to store data, the network model formed a generalized 'graph' structure that describes the relationships between the nodes. Nowadays, the relational model is used to solve the problems for which the network model was created, but the old 'network' solutions are still being implemented by programmers, even when they are less effective.
Do you need to setup a SQL Server development environment in short order? Are you familiar with the options available? Are they all laborious? Are you facing security and data privacy issues? Do you have sufficient storage? Attend this information-packed session to learn about the best ways to build, manage and protect your sandbox development environment.
This editorial was originally published on Oct 12, 2006, published today as Steve is out today at the PASS Summit. Today Steve talks about the productivity that comes from having multiple monitors.
BI Architect Bill Pearson continues his introduction to the MDX Members functions. In this Level we continue our exploration of the general “family” group with the .LastChild and .FirstSibling functions.
Date manipulation is a common scenario when retrieving or storing data in a SQL Server database. There are several functions that are available and in this tip we look at how to use the DATEADD function.
A task was set before our team to find the first Tuesday after 10 days from a specific date. This article shows how we accomplished that.
Steve Jones talks about the most interesting contest, evah! Brought to you by Red Gate Software.
Why? Because they're the real Masters of the Universe. Red Gate Software is giving DBAs a chance to fly in space. As in, weightless, in orbit, out of the Earth's atmosphere.
SQL is a powerful tool for querying data, and for aggregating it. However, you can't easily use it to draw inferences, to make predictions, or to tease out subtle correlations. To provide ever more sophisticated inferences to businesses, the race is on to combine the power of the relational model with advanced statistical packages. Both IBM and PostGres are ready with solutions. And SQL Server? Hmm...
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