SQL Server T-SQL Tuning – NOT IN and NOT Exists
Following on from the previous TSQL performance tuning article in this series, we now focus on the important topic of T-SQL “Not IN” And “Not Exists “
Following on from the previous TSQL performance tuning article in this series, we now focus on the important topic of T-SQL “Not IN” And “Not Exists “
Today Steve Jones talks about the questions people ask on the Internet about interviews. Are they ok? Should you cram for an interview this way?
The second article that examines the output of the sp_Blitz script™ run against SQLServerCentral's database servers.
We often need to create similar SSIS packages which contain some common components such as connection managers, data flow components, log providers, event handlers, etc... So do we really need to create a package from scratch each time and add all these commonly used components in each package again and again. Is it possible to create a SSIS package with a basic structure/workflow and common components which can be used as template to create subsequent packages?
You can extend SQL Monitor to track whatever you need to watch on your own system with custom metrics. Grant Fritchey shows us how.
The various security scans of 2012 reported lots of potential problems in companies. Why don't vendors make it easier for us to install and configure their software securely?
This week a vulnerability in Java has prompted a large scale notice to the general public.
Developing a backup procedure that makes sure you can do restores should be one of your top priorities as a DBA. In this article Greg Larsen discusses some of the concepts to consider when developing, building and testing a backup strategy.
An introduction to database design for those people that might not understand what is involved.
By Brian Kelley
If you want to learn better, pause more in your learning to intentionally review.
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If you’ve used Azure SQL Managed Instance General Purpose, you know the drill: to...
By DataOnWheels
Ramblings of a retired data architect Let me start by saying that I have...
Comments posted to this topic are about the item Faster Data Engineering with Python...
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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
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