On the General tab of the Options dialog, you can adjust the diagram appearance: change the backgroundĬolor, select to show the grid, enable shadows, etc. You can also reset all the options to default values by clicking Reset. In the Options dialog, you can configure the settings for the current diagram. To set options for the current diagram, right-click it and select Options from the context menu Options can be set either globally for all the diagrams or individually for a particular diagram. With dbForge Studio for SQL Server, you can tune the design of the database diagram with a rich set of options.

Define index types: Clustered, XML, Clustered/Nonclustered Columnstore, or Spatial.

Add and/or remove unique and non-unique indexes.

Permit or restrict values that can be applied to a column.

Add and/or remove unique, primary, and foreign keys.

Create and/or remove CHECK constraints, define conditions for them.

Edit and manipulate (filter, group, sort, search) table data.

Tasks that can be done via Table Designer: To save your changes, click Apply Changes.

Reengineering, education, data analysis, and research. Database diagrams are also used in business processes This list of uses of Entity Relationship Diagrams is not at all exclusive. ERD streamlines business processes by identifying redundanciesĪnd bottlenecks within business entities.ĮR Diagrams are used extensively for analyzing and fine-tuning relational databases that are commonly exploited in business processes.Įntity Relationship Diagrams can help understand how those databases can be restructured for data to be retrieved quicker and easier. The structure of a database and help understand what and where goes wrong. The use of ER Diagrams is also beneficial when it comes to locating and resolving issues with logic and deployment.

In speaking of the existingĭatabases, Entity Relationship Diagrams can explain the logical structure and the flow of information within the databases in question,Īs well as assist in enhancing database throughput, debugging errors, and redesigning the architecture. When working on a new data model, a database diagram can help capture and document system requirements.

How ER Diagrams are used Design databases With sets of entities like the Customers table. ER Models deal with single entities like a Customer while ER Diagrams deal However, many experts prefer to separate them, emphasizing the conceptual nature of ER Model that describes the structure of dataĪnd doesn't explain how exactly it is stored. The terms ER Model and ER Diagram are sometimes used interchangeably. It consists of a collection ofĮntities (or objects) and their relationships. ER Model is short for entity-relationship model, which is a high-level data model.

Er schema tool