Summary This article aims at demystifying what grid search is and how we can use to obtain optimal values of our model parameters. It would be highly beneficial for the reader if the prequels to this article are read to gain a holistic understanding of the various techniques that can be used in optimizing the […]
There has been a trend to blame a single IT person, or a small group, for issues in large enterprises. Nowhere else in the corporate world would one person be blamed for a major failure.
DBAs must make sure data is highly available, and there are many SQL Server high availability options. Pamela Mooney discusses those options in this article.
Innovating in the database is crucial for success, and we’re seeing new trends impact the database, like cloud migration, SRE, and the growing need for big data and tools to support growing estates. On 23 June, Redgate Streamed brings you organizations who have implemented these database technology trends, including speakers from Google, Microsoft, and AWS, who will share their success stories and tips for embracing technology changes.
This week there was an interesting article on DevOps and Ancestry.com's DevOps process. They are a fairly large enterprise, with 70+ teams that need to deploy code on a regular basis. As they've grown, there was some concern over each team learning how to best build their software pipeline. While they shared knowledge with each […]
Editorial Note: This is a republish, in memory of Mike who passed away too soon. You can see his memorial at sqlmemorial.org. Recently I have been working with a colleague who is doing a bit of a side projects outside of work. He's trying to expand his skillset using a pet project at home. I encouraged […]
Considering introducing continuous database integration? Learn the principles in this ThoughtWorks webinar hosted by Pramod Sadalage, expert in this discipline and author of several books about database refactoring and development.
In this article we explore schema evolution capabilities and limitations in Databricks with regular parquet format and explore schema evolution features and capabilities through delta format with inserts, appends, and overwrites.
Introduction In my last article, An Introduction to Azure Data Explorer, I discussed the process of creating and using Azure Data Explorer. Azure Data Explorer is mainly used for storing and running interactive analytics on Big Data. First, I need to create the ADX cluster. Then, one or more databases should be created inside the […]
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I try to run this code on SQL Server 2022. All the objects exist in the database.
CREATE OR ALTER VIEW OrderShipping
AS
SELECT cl.CityNameID,
cl.CityName,
o.OrderID,
o.Customer,
o.OrderDate,
o.CustomerID,
o.cityId
FROM dbo.CityList AS cl
INNER JOIN dbo.[Order] AS o ON o.cityId = cl.CityNameID
GO
CREATE OR ALTER FUNCTION GetShipCityForOrder
(
@OrderID INT
)
RETURNS VARCHAR(50)
WITH SCHEMABINDING
AS
BEGIN
DECLARE @city VARCHAR(50);
SELECT @city = os.CityName
FROM dbo.OrderShipping AS os
WHERE os.OrderID = @OrderID;
RETURN @city;
END;
go
What is the result? See possible answers