estion $34$

ich of the following description is TRUE about the relational data model?

The relational data model is based on an upside$-$down tree structure in which each record has a $1$:M rel

The relational data model uses two$-$dimensional structures called relations $($tables$)$ for storing data. the common columns.

The relational data model is a Java$-$based, open$-$source, high$-$speed, and fault$-$tolerant distributed stor

The relational data model contains data and its relationships in a structure known as an object.