SQL Developer 

Database programmer's workplace used to create and execute SQL queries and scripts, debug script execution, view results and manage databases. Compatible with any SQL database: Oracle, MS SQL, DBF, Access, Paradox, etc.
database design database management sql commands dbms data modeling entity relationship diagram database normalization data structures sql statements sql database database architect data structure conceptual data model entity relationship diagrams

Database Architect 

Define database tables, fields, references, and generate the database. When working with Database Architect, software developer defines database structure, drawing it directly in the program's window and generates the DB directly from the program
database design database management sql commands dbms data modeling entity relationship diagram database normalization data structures sql statements sql database database architect data structure conceptual data model entity relationship diagrams