Moreover, you can use the functions on the toolbar in order to move the selected elements pixel by pixel. TerraER allows you to hide or unhide the background grid, to help you with placing and aligning elements on the board. You may add disjunctions, overlapping elements, generalizations and optional / required connections. The building tools include entities and weak entities, relationships, entity relationships, roles, key / derived / multi-value attributes, connection cardinality and adjacent functions. The column on the left displays a tree structure of all the elements you add to the ER model: entities, attributes and connections. The elements are customizable, allowing you to rename, resize and easily relocate them. The tool allows you to create diagrams of entities and relations, in order to study the connections that link them. TerraER is a WYSIWYG type of application that is designed to help users learn and practice the basics of database structured or management. Startup education for database management You can control the number and location of the entities, the relations or intermediate elements, by manually placing them in the required form. TerraER is a simple to use application which allows you to create data models in a graphic environment.
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