Mock para Banco de Dados (Random Data Generator)
http://mockaroo.com/
Tools
PL/SQL Developer
SQLTools
Oracle SQL Developer
Toad for Oracle
SquirellDB
[SQL Server] Free Tools
ApexSQL Refactor (SQL Server "Beautifier")
Ferramenta para a Indentação de scripts SQL...
https://www.apexsql.com/sql_tools_refactor.aspx
ApexSQL Complete (SQL auto-complete)
https://www.apexsql.com/sql_tools_complete.aspx
ApexSQL Search (SQL data and object search)
https://www.apexsql.com/sql_tools_search.aspx