A tuple is a fixed fixed-length list containing elements that need not have the same type. It can be, and often is, used as a key-value pair. A row (sometimes called a record) is the set of fields within a table that are relevant to a specific entity.
The stem wall on a concrete foundation is essentially the supporting wall that joins the foundation of a building to the vertical walls of the structure that is constructed atop the foundation.
Here are 10 of the best strategies for creating your word walls in your classroom: 1  Sight Word Wall: Primary grade texts are comprised primarily of sight words. 2  Literature Based Word Wall: Word walls can also be created to help students during a literature study.