Pony Er Diagram. After the mapping is generated you can query the database and create new instances of entities. Pony orm also include the er diagram editor which is a great tool for prototyping.
Pony orm also include the er diagram editor which is a great tool for prototyping. Here is the er diagram of the data model. They allow you to query a database using generators.
Private diagrams and revision history once your er diagram is ready you can generate sql from erd or you can use pony orm to generate database tables and work with your entities in the python programming language.
When someone wants to retrieve objects with a specific criteria they typically dont expect that the same object will be returned more than once. Pony is a python orm with beautiful query syntax. Hacettepe university computer engineering department this process is iterated many times er is a visual syntax for db design which is precise enough for technical points but abstracted enough for non. Ad lucidcharts er diagram software is quick easy to use.