A left join is a type of SQL join that returns all the rows from the left table, and the matching rows from the right table. If there is no match, the right table columns are filled with null values.

We'll discuss how to retrieve specific sets of data from associated tables using SQL join statements. A SQL JOIN clause is a way to combine rows from two or more tables, based on a common column ...

It also returns all of the records from the table on the right side of the FROM…RIGHT JOIN key words, even if there aren’t any matching values in the table on the left.

The data is located in the machines and employees tables. I must use a SQL inner join to return the records I need based on a connecting column. In the scenario, both tables include the device_id ...

If you only want to update values in table A when there are matching records in table B, then an inner join is the way to go. If you have calculations that need to vary based on optional data, the ...

SQL lets you use one command to quickly create a new table containing a subset of records from a larger table while working in Access. Sound complicated? It's not, as Mary Ann Richardson shows us.