Yes, both Microsoft SQL Server and Tableau offer a Free Trial.
Microsoft SQL Server is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Tableau is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Tableau begins at $12/User/Month, while pricing details for Microsoft SQL Server are unavailable.
Some top alternatives to Microsoft SQL Server includes Oracle Essbase, Microsoft Power BI, Oracle Database, MySQL, dbForge Studio for MySQL, Worksheet Systems, Oracle SQL Developer, Microsoft Access and UseSQL.
Some top alternatives to Tableau includes Qlik Sense, Entrinsik Informer, Looker, Microsoft Power BI, Dundas BI, QlikView, SAS Business Intelligence, SAP BusinessObjects BI, Microsoft Power BI Desktop and dataSights.