Oracle optimizer removing or coalescing subqueries
The Oracle optimizer often changes the query to get better performance. In this article, Jonathan Lewis explains two more optimizations involving subqueries.
The Oracle optimizer often changes the query to get better performance. In this article, Jonathan Lewis explains two more optimizations involving subqueries.
SQL Prompt users can now share formatting style or code snippets in designated Team spaces on the Redgate Platform. Louis Davidson explains how it works.
Learn how you can add images to your reports in Power BI when using the Report Builder.
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There is usually more than one way to write a query. In this article, Edward Pollack explains a few ways to write simpler T-SQL code.
During my technical career, I’ve changed companies several times. I even worked as an independent contractor for three years. One thing I have never done before was switch departments and roles within one company. That’s about to change in a couple of weeks as I move from Simple Talk Editor and DevOps Advocate in Marketing […]
Do you know how to answer normalization questions in an interview? Steve Jones gives you a few ideas and recommends you brush up on your knowledge.
Successfully implanting change in an organization requires buy-in from leadership. Rohan Kapoor explains what’s needed to get leadership alignment.
One thing I’ve always loved about the Scooby-Doo cartoon is that he never solved...
By Kevin3NF
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I am trying to check out elastic query between two test instances we have...
What happens if you run the following code in SQL Server 2022+?
declare @t1 table (id int); insert into @t1 (id) values (NULL), (1), (2), (3); select count(*) from @t1 where @t1.id is distinct from NULL;See possible answers