Google Cloud SQL

Data modeling tools

List of data modeling and database design tools.

Data catalogs

List of data catalogs tools

Data dictionary tools

List of tools that enable design and building of data dictionaries.

Data compare tools

List of data compare, synchronization and migration tools.

Database design tools

List of tools that allow for the design of a database.

Metadata Management tools

List of metadata management tools

Version control tools

List of source version control tools for databases.
State-based tools - generate the scripts for database upgrade by comparing database structure to the model (etalon).
Migration-based tools - help/assist creation of migration scripts for moving database from one version to next.