"3.3.3 Disposing Connections"

"4.2.1 Executing a Command That Doesn't Return Rows"

"They are less error-prone. They are more secure. They are reusable."

"4.5.4 Deriving Parameters"

"It's not provider-specific. It's always disconnected. It can track changes made to its data. It can contain multiple tables."

"6.3 Adding and Removing Relations"