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SQL Developer Data Modeler vs W3C Markup Validation Service

A side-by-side look at SQL Developer Data Modeler and W3C Markup Validation Service. For an in-depth review of either product, follow the links below.

SQL Developer Data Modeler

SQL Developer Data Modeler

Development

SQL Developer Data Modeler is a free graphical tool that helps developers design complex relational databases. It provides a visual interface to model entities and relationships, generate DDL scripts, and reverse-engineer from existing databases.

databasemodelingsqlddlentity-relationship-diagram
W3C Markup Validation Service

W3C Markup Validation Service

Web Browsers

The W3C Markup Validation Service is a free tool that checks HTML and XHTML documents for conformance to W3C standards. It can help identify potential issues in web pages and ensure they use valid markup.

htmlxhtmlvalidatorw3cstandards