I'm trying to create a new database diagram in SQL Server so that I can refer to it for relationships and that sort of thing. I opened SQL Server Enterprise Manager, created a new diagram, added ...

For many queries, information must be retrieved from two or more tables at once. Correctly formulating these kinds of requests directly in SQL can be especially difficult. In this course, we attempt ...

The automated optimization of declarative SQL queries is a classical problem that has been diligently addressed by the database community over several decades. However, due to its inherent ...