In SQL Server 2017, automatic plan correction was added, which allows for the database engine to automatically use the "last known good plan" for a query that has suddenly regressed in performance.

Practical SQL queries are central to data analysis, including selecting films, finding special features, listing active customers, and more.

Structured Query Language (SQL) is a powerful and essential tool for working with relational databases. Whether you’re a beginner or looking to enhance your SQL skills, ChatGPT can be a valuable ...

Dynamic SQL lets you create a query string based off of user input. SQL Server allows you to create dynamic SQL statements. The statements use a SQL string varchar data type, then you execute the ...

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...

SQL Basics I: Data Queries—covers database terminology and the four basic query types. SQL Basics: SELECT statement options —covers the SELECT statement in detail and explains aggregate functions.

There are also courses on using SQL in the cloud, PostgreSQL, and more. Work with data like a pro. Right now, you can get The 2023 Professional Microsoft SQL Database Development Bundle on sale ...

The native SQL query code appears there. For a SQL query that retrieved records from an external table labeled "Personal_Contacts," the code would appear similar to the following: SELECT tbl ...

When SQL Server 2014 debuted, you didn't have a lot of options for how to fix the queries that slowed down under the new CE -- you had the big hammer of not using it, or hinting queries to try to ...

Constraining LLMs to SQL provides a very useful intermediate representation—the SQL query. This is also widely portable across systems and thus meets the goal of replicability in addition to ...