Read this SQL tutorial to learn when to use ... return rows for which there is data in both tables. Compare the following query after using JOIN instead of WHERE: SELECT table1.column1, table2 ...

Simply join two SELECT statements with the UNION keyword to combine the results of two queries into a new table. When working with databases other than Microsoft's SQL Server, check the manual to ...

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 ...

Analyze database contents using basic, intermediate and advanced SQL statement syntax and usage. Demonstrate capability to query data from multiple tables using SQL JOINS. Create and modify database ...

Prior to SQL Server 2017, query processing was a monolithic process ... interleaved execution for multi-statement table-valued functions (TVFs), batch-mode execution adaptive joins, and batch-mode ...