長くて複雑なSQLは、書くのも読むのも大変です。できるだけ見やすく分かりやすいクエリを書きたいですよね。 長いクエリでは、「サブクエリ」が使われていることが多いです。 そもそもサブクエリとは サブクエリ（Subquery）とは、SQL文内に含まれる別の ...

Boost your SQL interview readiness with these 35 carefully selected SQL Interview Questions and Answers. Includes real-world ...

AI is transforming everything we do, including how we interact with data. Data is the fuel for AI. Microsoft SQL Server and Azure SQL is the data platform to power today’s modern applications with ...

1 What is an inner join in SQL? 1 What is an outer join in SQL? 1 What is full join in SQL? 1 What is left join in SQL Server? 1 What is a right join in SQL Server? 1 What is database engine in SQL ...

SQL Server Big Data Clusters (BDC) is a new capability brought to market as part of the SQL Server 2019 release. BDC extends SQL Server’s analytical capabilities beyond in-database processing of ...

SQL Server 2016 lets you treat JSON objects like rows in a table, allowing you to use data from AJAX queries in joins, updates and any other SQL statement you can think of. SQL Server 2016 provides ...

This is a simple example of a chatbot that uses Azure SQL to store and retrieve data using both RAG and Natural-Language-to-SQL (NL2QL) to allow chat on both structured and non-structured data. The ...