Using Visual Query Builder
Queries are generally built using entity types joined by relationship types, and can be qualified by property values and relationship counts.
You can create the simplest query by dragging a single entity type onto the canvas. For example, if you were using data from a financial institution and your entity types included banks, customers, and employees, you could simply drag out any one of those entities and click the Run button to perform a query that returns all entities of that type.