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 ...

This query joins data from the INVOICE and CUSTOMERS tables by using the BILLEDTO column ... Therefore, when you reference the PROC SQL view in a SAS program, you automatically connect to the correct ...

Complex queries can be created using OR logic. If one criteria evaluates ... No calculations are stored, saving space in the database, but the results are instantly accessible by running the ...