This is a school data homework aimed to use sql to inspect tables, create ER Diagrams and then do Normalization. Since the primary key is composed of report_id, product_type, product, product_code.

Therefore, we need two tables, one is composed of all columns from the original table, except for description, where report_id, product_type, product, product_code are primary key. The other one is ...

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 ...

I'm using Sql Server 2005 Management Studio on my client machine against Sql Server 2000 databases. For some reason, when I right-click to create a new diagram, the option isnt available. I havent ...

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 ...