Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement.

Learn how to link tables based on a condition with inner join, left join, right join, and full join in SQL queries.

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 ...

If tables selected for joining have a relation defined between them, Query and Reporting joins them automatically; see Joining Tables Automatically for more information.

SQL views make accessing multiple data types and storing complex queries easier whereas materialized views can help you improve efficiency and boost performance.

Hi, I'm working with a SQL Server database and trying to execute a query that joins two tables: ParameterClasses and EquipmentClasses. Both tables contain a column named Id. However, the query fail ...

mcp_ohmy_sql is an open-source Text-to-SQL system developed for deployment in enterprise production. It is not about specific features as much as about integration, scale and reliability: It supports ...