Data Mining Part 21: Excel and Data Mining,validation methods
This article is part of the lesson 18 to 20 related to SQL Server Data Mining with Excel.
This article is part of the lesson 18 to 20 related to SQL Server Data Mining with Excel.
Greg Larsen explores how to remove rows from a SQL Server table using the DELETE statement.
When a table has multiple indexes defined on the same columns, it produces duplicate indexes that waste space and have a negative impact on performance. This metric measures the number of possible duplicate indexes per database above a set threshold. You can then consider dropping the indexes and reverse the change.
It pays to continuously learn more about your job. SQL Server is so large, it really is a lifelong effort to drive yourself forward to master more and more.
As winter approaches, many of us get ready in our personal lives, but Steve Jones notes that we might want to make sure we have regular preparation taking place on our systems for difficult times.
In the next installment of his series on the SQL Overview toolkit, David Bird looks at the information collected about SSRS.
It used to be that SQL Server Integration Services (SSIS) packages had to be deployed individually. Now, they can be all deployed together from a single file by means of the Project Deployment Model introduced in SSIS 2012. Where there are tens or hundreds of SSIS packages to deploy, this system is essential.
This Friday Steve Jones is looking to see what data you're tracking about your life.
Easy way to setup a comprehensive ETL Performance auditing Solution no matter how complicated your ETL setup.
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Running tSQLt unit tests is great from Visual Studio but my development workflow...
By James Serra
I remember a meeting where a client’s CEO leaned in and asked me, “So,...
By Brian Kelley
If you want to learn better, pause more in your learning to intentionally review.
Hello team Can anyone share popular azure SQL DBA certification exam code? and your...
Comments posted to this topic are about the item Faster Data Engineering with Python...
Comments posted to this topic are about the item Which Result II
I have this code in SQL Server 2022:
CREATE SCHEMA etl;
GO
CREATE TABLE etl.product
(
ProductID INT,
ProductName VARCHAR(100)
);
GO
INSERT etl.product
VALUES
(2, 'Bee AI Wearable');
GO
CREATE TABLE dbo.product
(
ProductID INT,
ProductName VARCHAR(100)
);
GO
INSERT dbo.product
VALUES
(1, 'Spiral College-ruled Notebook');
GO
CREATE OR ALTER PROCEDURE etl.GettheProduct
AS
BEGIN
exec('SELECT ProductName FROM product;')
END;
GO
exec etl.GettheProduct
When I execute this code as a user whose default schema is dbo and has rights to the tables and proc, what is returned? See possible answers