8 Best Database Model Diagram Tools in 2023

• January 10th, 2023

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Databases play a prominent role in storing and managing business data. It is essential to keep databases in shape from the start, and design databases efficiently to put minimum effort while maintaining them. A database design process consists of various steps including design, development, implementation, and maintenance.

So have you ever designed a database or want to design one? The most effective way to design a Database Model is by using diagrams. There are several Database Models Diagram tools available that can simplify the process of designing complex data models using a semi or no script interface.

In this article, you will learn about Database models, what Database Model Diagram tools do, and go through a list of the best Database Model Diagram tools available. 

Table of Contents

What is Database Model?

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A Database Model is a type of data model that shows the logical structure of the Database. It determines relationships and constraints that tell how data is to be stored, organized, accessed, and manipulated. Database Models help in designing Databases and act as a blueprint for Developers and Database Administrators in designing and understanding Databases. Individual Database Models are designed based on defined rules and properties. The most common example of a Database Model is the Relational Model. Most Data Models are represented with the help of a Database Model Diagram. 

Database Model Diagram makes it easier for users to get an overview of a Database structure. Database Model Diagram allows users to create and view graphical models of Relational Database System schemas including a range of Database objects. With the help of Database Model Diagram tools, you can visualize the connections and relationships between various Database objects. Also, it can be used to show traces back to other elements such as business requirements, rules, logical components, etc.

Why is Data Modeling Important?

An optimized Data Model helps in building a simplified and logical Database that eliminates redundancy in data, reduces storage requirements, and offers fast and efficient data retrieval. Data Modeling is an essential aspect of maintaining all Database operations effective and as per the regulations. There are two important factors for which Data Modeling is important for organizations.

Software Development Projects Performed by IT Professionals

Designing and building a product requires proper prior documentation, planning, and prototype ready. One part of the software is the functionality of how it will behave and the second part is how the data will flow through the product. 

Data Modeling assists software designers in providing the right roadmap for developing the product. It helps in defining the data flow across the software as per the system requirements and functionality of the application. It ensures the data should meet the application requirements.

Analytics and Visualization for Decision Making

As the data is generated at a staggering rate, this huge volume of raw data can be useful by turning it into visualizations. Users can access data more effectively by viewing data graphically using Data Visualization. It helps better understand the data, which leads to smarter business decision-making.

Perfectly designed data models can turn raw data into useful information that can be used for Data Visualization. Data Modeling prepared data for Analysis which includes cleaning data, defining measures and dimensions, performing other different operations for transformations, etc.

Best Database Model Diagram Tools

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8 Best Database Model Diagram Tools

In this section, there is a list of the most popular and commonly used Database Model Diagram Tools. Small to large companies manage their Databases using these handpicked tools. The following list of top Database Model Diagram Tools is given below:

1) Lucidchart

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Lucidchart is a web-based Data Model Diagram tool that allows users to visually collaborate on drawing, revising, and sharing charts and diagrams. It allows you automatically create, edit and import diagrams from Databases such as MySQL, PostgreSQL, Oracle, and SQL Server. It comes with a library of shapes that you can use to design a new Database. 


Lucidchart is one of the widely used Data Model Diagram tools that comes with 4 different pricing plans. A Free plan, an Individual plan for $7.95, a Team plan for $9, and an Enterprise plan are available by contacting Lucidchart.

2) DeZign

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DeZign is a Database Model Diagram tool used to create data models and design Databases with ease. With this Database Model Diagram tool, you can automatically generate data model diagrams for popular Databases and edit them. DeZign uses an E-R (Entity-Relationship) diagram for displaying relationships between the different entities of the Database. Its Database Diagram editor comes with drag and drops options allowing users to place objects quickly. DeZign even supports generating and exporting reports as PDF, HTML, or Word files and diagrams as images in different formats.


DeZign offers its Database Model Diagram tool in 4 different versions based on the pricing plans. The Standard package costs $19 per month, the professional package comes for $39 per month, the Expert version costs $59 per month, and the All Products Pack plan is available for $99 per month. 

3) SqlDBM

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SQL DBM is one of the most commonly used Database Model Diagram tools that follows concepts such as Forward Engineering and Reverse Engineering. With the help of this Database Model Diagram Tool, users can create, edit, view, and import Databases. It supports a variety of databases such as SQL Server, MySQL, PostgreSQL, Snowflake, and Amazon Redshift. SQL Server Database Modeler comes with an interactive GUI allowing you to create various Database objects like tables, relationships, and objects. Also, adding to the user-friendly interface, it offers light and dark mode themes. This Database Model Diagram Tool is suitable for small as well as large companies and can be accessed just via a web browser.


SQL Server Database Modeler also comes with 4 versions based on pricing plans. It is a slightly expensive Database Model Diagram tool. SQL DBM offers its free plan that supports one active project at a time. The Basic version comes for $25, the Business plan is available for $3000 annually, and the Enterprise version can be subscribed to as a custom package priced by negotiation.

What Makes Hevo’s Data Modeling Experience Unique

The Data Modeling process can be time-consuming and tedious without using the right set of tools. Hevo’s automated No Code platform helps in enriching your Data Modeling with its blazing-fast Data Pipeline. Our platform has the following in store for you!

  • Exceptional Security: A Fault-tolerant Architecture that ensures Zero Data Loss.
  • Built to Scale: Exceptional Horizontal Scalability with Minimal Latency for Modern-data Needs.
  • Built-in Connectors: Support for 100+ Other Sources, including Databases, SaaS Platforms, Files & More. Native Webhooks & REST API Connector available for Custom Sources.
  • Data Transformations: Best-in-class & Native Support for Complex Data Transformation at fingertips. Code & No-code Flexibility ~ designed for everyone.
  • Smooth Schema Mapping: Fully-managed Automated Schema Management for incoming data with the desired destination.
  • Blazing-fast Setup: Straightforward interface for new customers to work on, with minimal setup time.

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4) Erwin Data Modeler

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Erwin Data Modeler is also a versatile and useful Database Model Diagram tool that helps in generating value from business data by implying Data Modeling features to available data. The software’s engine is based on the IDEF1X method and also supports diagrams displayed with a variant information technology engineering notation and dimensional modeling notation. Erwin Data Modeler is the first choice of most IT Professionals and Data Architects. It reverse-engineers pre-existing Databases based on several formats to generate data models.


Erwin Data Modeler is an industry-leading enterprise Database Model Diagram Tool that offers a free trial to its users. Also, you can contact them and ask for custom pricing according to your business requirements. Apart from this, it offers a Standard Edition for $3,595 and a Workgroup Edition that costs $5,398.

5) DB Designer

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DB Designer is an online Database Model Diagram tool with forward and reverse-engineering capabilities. This tool has features to collaborate with others such as sharing links of Database Model Diagrams and also assigning access levels such as Owner, Editor, and Viewer. Popular Databases such as MySQL, SQL Server, Oracle, and PostgreSQL are compatible with DB Designer. It comes with a user-friendly interface with keyboard shortcuts and a mini-map for easy navigation across the tool. Also, users can manage the projects seamlessly through its intuitive dashboard. 


DB Designer comes with 3 pricing plans. Though all the plans have the same features, they only differ in the number and size of projects they support. The Starter pack is free to use and supports only 2 Database Models. The Basic version costs around $7 per month and supports 5 Database Models with 10 tables per model. The Unlimited plan costs $16 per month that supports unlimited models with unlimited tables.

6) Navicat Data Modeler

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Navicat Data Modeler is a graphical tool that helps build accurate and predictive data models. With the help of this Database Model Diagram Tool, you can create Database Models without writing any SQL scripts. Its No-Code interface saves time and simplifies Data Modeling. However, you can generate SQL scripts using the SQL Code Generation feature. Navicat allows users to create high-quality data models with responsive and elegant UI design to enhance performance. 


Navicat Data Modeler is available as an application for Windows, Linux, and macOS. It offers a 14-day free trial and then charges around $22 per month under its Enterprise version. 

7) DbWrench

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DbWrench is a synchronization and Database Model Diagram tool that helps create and modify Databases quicker and easier. It assists users in handling many tasks at once and saves time by using generated scripts to apply changes. Also, DbWrench supports many ER notations that you can choose while designing a Database Model, such as Bachman, Barker, and Information Engineering. In DbWrench, you can insert updated table data with automatically generated forms. Popular Databases including Microsoft SQL Server, Oracle,

DbWrench supports PostgreSQL and MySQL under a single license.


DbWrench is available for Windows, Linux, and macOS under a single license. It charges $99 for its user license.

8) DbSchema

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DbSchema is a universal Database designer and management tool for out-of-the-box schema management, schema documentation, and Database models. It is an incredible tool for SQL, NoSQL, MongoDB, and Cloud databases developers. DbSchema comes with a layout feature that allows users easily design Database Models with diagrams. Moreover, it offers a drag-drop feature to quickly place elements like tables, foreign keys, etc, with just a single click. It supports creating multiple layouts for managing different parts of the Database schema system. You can reverse engineer schemas of other external databases and also use Query Editor to query the Database.


DbSchema offers 2 editions: DbShema Free and DbSchema Pro. The free edition offers minimal and basic features. DbScehma Pro comes with 3 different pricing plans. The Academic plan is available for $98. The Personal version costs $196 and the Commercial version costs $294 with support for one developer or administrator.


In this article, you learned about Database Models, and why they are an important part of designing and defining Databases. Also, you read about Database Model Diagram tools and went through a list of the best Database Model Diagram Tools available in the market. Database Model Diagram Tools help create and edit Database schemas efficiently and save time.

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Companies need to analyze their business data stored in multiple data sources. Data needs to be loaded to the Data Warehouse to get a holistic view of the data. Hevo Data is a No-code Data Pipeline solution that helps to transfer data from 100+ data sources to desired Data Warehouse. It fully automates the process of transforming and transferring data to a destination without writing a single line of code.

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Share your experience of learning about Top Database Model Diagram Tools in the comments section below!

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