What is Hierarchical model?
A data model in which the data are organized into a tree-like structure. This is the first model used in database system from IBM. But it lost popularity to the relational model.
External referenceA data model in which the data are organized into a tree-like structure. This is the first model used in database system from IBM. But it lost popularity to the relational model.
External referenceBytebase is an open source, web-based database schema change and version control tool for teams. It offers a web-based collaboration workspace to help DBAs and Developers manage the lifecycle of application database schemas.