I'm trying to add to a table in SQL Server by creating a connection in VB.NET. The table has very many columns. I can currently open the connection and write just fine, but I'm not sure I'm doing it ...

I've said it before and I'll say it again: If you want to speed up your application, don't look at your code, look at your data access. The two slowest things you can do in application development are ...

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...