you’d rewrite the query like this: SELECT Donors.DonorID,Donors.Donorname. The phrase FROM Donors INNER JOIN DonationRecords ON tells SQL to find matching records between the two tables ...

Read this SQL tutorial to learn when to use SELECT ... Compare the following query after using JOIN instead of WHERE: SELECT table1.column1, table2.column2 FROM table1 INNER JOIN table2 ON ...

The third sub-language in SQL declares queries, through the SELECT statement and relational joins. The SELECT statement tells the query optimizer what data to return, what tables to look in ...

Follow this step-by-step guide to install PostgreSQL, load data, connect to a database, and execute SQL queries including table joins PostgreSQL is an open-source, object-relational (also called ...

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 ...