What do you knw about a cursor?

A cursor is a movable indicator on a computer screen that shows where user input will occur, typically in text editing applications. It can take various forms, such as a vertical line or an arrow, depending on the context. In programming and databases, a cursor also refers to a database object used to retrieve, manipulate, or navigate through a result set row by row. Cursors facilitate operations like data retrieval and updates in a controlled manner.