Monday, January 22, 2018

Data modeling tools and database design tools

Enterprise data model comprises of all entities required by an enterprise. The visual representation of objects in a relational database (usually a normalised) is called as relational data modeling and data models are tools used in analysis to describe the data requirements and assumptions in the system from a top-down perspective.
As we know that data is business asset which is essential to the day-to-day operation of most businesses, but its value lies in providing insights to inform decision-making. To make sense of data, the first step is often to use a data modelling tool. A data model is a conceptual representation of business requirement (logical data model) or database objects (physical) required for a database and are very powerful in expressing and communicating the business requirements and database objects.
Now a day, there are n number common data modeling tools available in the market are given below –
Data Modeling Tool
Specification
PowerDesigner
One of the industry’s leading data modelling tool which includes fully integrated models, different modelling techniques that cater to both an IT-centric audience and non IT-centric.
It also supports a powerful metadata repository and various output formats.
ER/Studio
ER/Studio supports single and multi-platform environments, with native integration for big data platforms such as – MongoDB and Hadoop Hive.
It can forward and reverse engineer models, includes a compare and merge function and is able to create reports in various formats (XML, PNG, JPEG).
ER/Studio is a great tool that that is easy to start working with due to its intuitive design and good user support.
Sparx Enterprise Architect
Enterprise Architect prides itself on being the cost-efficient option. It helps business users build robust and maintainable systems quickly and can easily scale to accommodate large teams collaborating on shared projects.
It also has the capability of running a dynamic model simulations to verify the correctness of models and provide better understanding of how specific business systems operate.
Oracle SQL Developer Data Modeler
Oracle data modeller is a free graphical tool to help business users with data modelling tasks. This tool is robust, offering features and utilities centred around productivity.
This includes easily accessible report tool, DDL preview capabilities, built in quality check tool and a sophisticated search engine.
CA Erwin
ERwin is one of the leading data modelling solutions that provides a simple, polished user interface for a complex data environment.
This solution provides business agility – models and metadata can be managed in a common repository to ensure consistency and security.
ERwin supports high customisation and automation allowing macro language, custom datatypes, APIs and much more. It also has an extensive user community enabling consumers to share knowledge and expertise.
Conclusion
Data Modeler Standard Edition is a data modeling tool for organizations to launch big data initiatives and decrease data management costs. Access data modeling tools and techniques to support data modeling projects, including articles, and expert advice on evaluating and using data modeling software.

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