If tables selected for joining have a relation defined between them, Query and Reporting joins them automatically; see Joining Tables Automatically for more information. If the tables do not have a ...

Figure A We’ll use these two tables to demonstrate how JOINs affect your queries. Notice that the Donors table contains five records, each representing a different person.

When multiple tables, views, or query-expressions are listed in the FROM clause, they are processed to form one table. The resulting table contains data from each contributing table. These queries are ...

How to Create a Table From Query Results in Microsoft SQL. If your business uses relational databases to store data, you may have used a SQL SELECT clause to create new tables from query results.

Want faster SQL queries? Here are nine best practices for writing SQL queries that work like a charm (or at least, like they should).

I’ve created a script that monitors a table in a SQL Server database. I’m only interested in one column in the table: TimeStamp. If the maximum (newest) value in TimeStamp is more than 30 ...

An update to the cardinality estimator feature in SQL Server 2022 will be one of the biggest changes to the database engine since its inception.

Even if generative AI hides SQL behind the curtain, it will continue to play a critical role in how we interact with and use data.