Query Exercise: Improving Cardinality Estimation
Your challenge for this week is to tune a query. Say Stack Overflow has a dashboard that shows the top-ranking users in their most popular location. It’s even got an index to support it
2024-02-16
Articles
Attention SQLBits 2024 Attendees!
Microsoft will be featured at SQL Bits with a keynote speaker, a full day of training and a few other sessions. Register today for the conference in March and we hope to see you there.
2024-02-14
1,215 reads
Scientific Calculations in Power BI - Cube, Square, Logarithms, Powers, Inverse and more
Microsoft Power BI Desktop provides users with multiple ways to help shape and transform their data. One of the options users have is scientific calculations, which support operations like cube, square, logarithms, etc. Power BI has this option in the Power Query Editor mode, where the user can easily apply one of these transformations for any number-based columns. In this tip, we will overview this utility in Power BI and how to benefit from it.
2024-02-14
Writing SQL Server code with AI using GitHub Copilot
Introduction In this article, we will see how to work with GitHub Copilot. GitHub copilot is an interesting plug-in that generates code using AI. The technology is from Microsoft and OpenAI. We will show how to install Copilot, and how to generate SQL Server code (T-SQL) using Copilot. First, we will answer some FAQs about Copilot […]
2024-02-12
8,972 reads
Planning a Database Testing Strategy for Flyway
With Flyway, you can adopt a test-driven development strategy that will allow you to test and evaluate databases, and database objects, at every phase of the database development lifecycle. The further down the delivery pipeline that bugs appear, the more costly in time and resources they are to fix. This approach will allow you to catch many of them before the database change even gets committed to version control, making a continuous delivery process much easier to adopt and sustain.
2024-02-12
Leveraging AI Tools for SQL Queries
This article covers the basics of how different AI tools can be used to write SQL.
2024-02-09 (first published: 2024-01-19)
6,807 reads
Use a Table Variable for Logging Entries that Need to Survive Rollbacks.
This article shows how a table variable can be used to capture error information and log it when your code doesn't work as expected.
2024-02-09
2,466 reads
Fun with Powershell
Have you ever been in a situation that you want to call a cmdlet or a function with a parameter that depends on a conditional criteria that is available as a list? In this article I will show a technique where you can use PowerShell Dynamic Parameters to assist the user with parameter values.
2024-02-09
LangChain Prompt Templates with OpenAI LLMs
Learn how to get started with a few sample prompt templates by using the gpt-4 LLM within OpenAI and LangChain in a Databricks notebook.
2024-02-09
Dimensional Modeling Case Study Part 2 - Days Dimension
Learn how you can model days in a dimension that might need to be aggregated in different ways for your data warehouse operations.
2024-02-07
1,910 reads
Blogs
2024 PASS Data Community Summit Prep
By Steve Jones
Next week is the 2024 PASS Data Community Summit in Seattle. I’ll be traveling...
A New Word: Bye-over
By Steve Jones
bye-over – n. the sheepish casual vibe between two people who’ve shred an emotional...
Free webinar – Tackling the Gaps and Islands Problem with T-SQL Window Functions
I’m hosting a free webinar at MSSQLTips.com at the 19th of December 2024, 6PM...
Forums
Temporary Table Problem
Hello everyone, I hope you can help me. I have a table with measurement...
A Few Good DBAs
You can't handle the truth!! (about data integrity) A few good database administrators https://www.helpmasterpro.com/blog/a-few-good-database-administrators/...
Python with SQL 2022 Enterprise doesn’t work
I have installed Machine Learning with SQL 2022 Enterprise Edition and installed and configured...
Question of the Day
Incremental Statistics
I have run this on SQL Server 2022 for the Sales database:
ALTER DATABASE Sales SET AUTO_CREATE_STATISTICS ON (INCREMENTAL = ON)I then run this in the Sales database:
USE Sales GO CREATE STATISTICS CustomerStats1 ON dbo.Customer (CustomerKey, EmailAddress) WITH INCREMENTAL = OFFThe dbo.Customer table is partitioned. How are statistics created? See possible answers