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Toad Data Modeler 7.3 - User Guide

Introduction User Interface Models and Model Objects
Physical Data Model
Entity Relationship Diagram Objects Basic Database Design Advanced Database Design
Universal Data Model Logical Data Model Working with Model Objects
Features and Tools
Application Variables Export/Import DDL Script Generation Graphics Model Actions Print Create New Project Reports Reverse Engineering Scripting and Customization About Templates Tips and Tricks Toad for Oracle Integration Toad Intelligence Central (TIC) Integration Tools Version Control
Options and Configuration Databases
Amazon Redshift 1.0 IBM DB2 LUW 9.5 IBM DB2 LUW 9.7 IBM DB2 LUW 10.1 IBM DB2 LUW 10.5 IBM DB2 LUW 11.1 IBM DB2 z/OS 10 IBM DB2 z/OS 11 Greenplum 4.1 Greenplum 4.2 Ingres 9.3 Ingres 10.0 EDB Postgres Advanced Server 10 Microsoft Access 2007/2010 Microsoft Azure SQL Database V12 Microsoft SQL Server 2005 Microsoft SQL Server 2008 Microsoft SQL Server 2012 Microsoft SQL Server 2014 Microsoft SQL Server 2016 Microsoft SQL Server 2017 Microsoft SQL Server 2019 MySQL 5.0 MySQL 5.1 MySQL 5.5 MySQL 5.6 MySQL 5.7 MySQL 8.0 Oracle 10g Oracle 11g Release 1 Oracle 11g Release 2 Oracle 12c Release 1 Oracle 12c Release 2 Oracle 18c Oracle 19c PostgreSQL 9.0 PostgreSQL 9.1 PostgreSQL 9.2 PostgreSQL 9.3 PostgreSQL 9.4 PostgreSQL 9.5 PostgreSQL 10 PostgreSQL 11 PostgreSQL 12 SQLite 3.7 Sybase ASE 15.5 Sybase ASE 15.7 SAP ASE 16.0 Sybase IQ 15.2 Sybase SQL Anywhere 11 SAP SQL Anywhere 17 Teradata 13 Vertica Database 8.0
Copyright Legal Notices


Toad Data Modeler helps organizations create, maintain and document their database systems with an easy-to-use graphical interface.

With Toad Data Modeler you can:

  • Create database structures visually (Logical, Universal and Physical Entity Relationship Diagrams - ERD)
  • Create ERD for various target database systems (Oracle Database, SQL Server, DB2, MySQL, PostgreSQL and more, see Supported Databases)
  • Reverse engineer already existing database structures and see them in a form of a diagram
  • Add logical data to your diagrams and describe existing database structures better
  • Verify model, get a list of Errors, Warnings and Hints and use Quick Fixes to correct issues
  • Automatically generate SQL code for selected target database
  • Generate detailed documentation in HTML, RTF or PDF format
  • Export database structures to Microsoft Excel and edit comments, notes and other model item properties
  • Synchronize models with already existing databases (using Change Script Generation and Update Model features) and much more


Toad Data Modeler allows you to:

  • Reduce errors in development
  • Significantly improve your productivity
  • Visualize your database structures and get better understanding of your existing databases
  • Verify your work automatically
  • Generate very detailed HTML, RTF or PDF reports
  • Work with existing database structures
  • Keep existing database structures up-to-date

Key Features

  • Physical Model, Universal Model (Generic Relational Model) and Logical Model
  • Support for Various Databases
  • Reverse Engineering
  • Version Control System (support for Apache Subversion and Git) and Internal Version Manager
  • Projects for storing models and additional documentation
  • SQL/DDL Script Generation
  • HTML/RTF Reports (including Alter reports)
  • Model Merge, Model Compare
  • Model Verification
  • Autolayout
  • Refactoring Utility
  • Automation
  • Customization and Scripting
  • Templates, Gallery, Default Values, Application Variables, Macros
  • Undo/Redo
  • To-Do List
  • Zoom, Loupe, Model Overview features and many more...

Toad Data Modeler delivers increased level of efficiency, quality and comfort to all database professionals.

New in this Release

Database features

Teradata 16.2

  • Teradata 16.2 is now supported
  • Database settings are placed in Settings | Options | Model | Physical Model | Teradata | Teradata 16.2
  • Reverse Engineering from a database, and DDL Generation are supported

SQLite 3.32

  • SQLite 3.32 is now supported
  • Database settings are placed in Settings | Options | Model | Physical Model | SQLite | SQLite 3.32
  • Reverse Engineering from a database, and DDL Generation are supported


IBM DB2 LUW 11.5

  • It is now possible to assign Dictionary Type to External Tables

PostgreSQL 12

  • We have enhanced DDL Import for PostgreSQL

Handling Dictionary Types

  • We have improved property dialogs for Dictionary types for the following types of databases that support dictionary types:
  • IBM DB2 LUW and z/OS, EDB, Greenplum, Azure SQL Database, SQL Server, PostgreSQL, SAP ASE, IQ, SQL Anywhere, and Teradata

Product Improvement Program

To prioritize enhancements in future releases, Toad Data Modeler collects data about the use of its different features, and periodically, this data is communicated back to us. Initially, this usage data includes an IP address. Upon its receipt at a temporary server in the U.S.A., the IP address is removed, and then the anonymous data is aggregated before it is sent to our servers in California. Our product team analyses the aggregated data to understand our user community’s preferences and common practices. This analysis influences our future releases.

No personal information is collected and you can stop participating at any time.

Freeware users are required to participate in the product improvement program and cannot reject to participate. When you insert you license key the freeware version becomes full and you might modify product improvement program settings.

To view or change your participation in the product improvement program:

  1. Go to Help Menu | Product Improvement Program
  2. Select Yes, I want to participate or No, thank you

You can review the privacy policy at

Toad World Community

Watch instructional flash movies that will guide you through great features of Toad Data Modeler, learn about tips and tricks, read how-to's, tutorials, download sample scripts and user packages, dictionary files and templates for reports, join our discussion forum and much more at:

Submit Your Ideas and Suggestions

If you are already the community member, feel free to post any ideas and suggestions for new features and improvements for Toad Data Modeler.

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