When PROC SQL executes the view, the stored query assigns the libref and establishes the DBMS connection using the information in the LIBNAME statement. The scope of the libref is local to the view, ...

When a PROC SQL query contains subqueries or inline views, the innermost query is evaluated first. In this example, data is retrieved from the SYBASE EMPLOYEES table and returned to the subquery for ...

Maintain table data integrity through constraints. Understand how to compose queries for optimum database performance and efficiency. View on Coursera Course Content Module 1 | Introduction to SQL - ...