Hello
MYSQL is open source
MS SQL source is off
MYSQL requires Woo less disk space
MSSQL requires more disk space
MYSQL is a simple language that can be started by beginners.
MS SQL is a complex language that requires more understanding to work with.
MISQL provides excellence in comparison to any other database due to the presence of MYSQL.
MSSQL is less permissive than MSSQL.
MYSQL does not support the relational functions available in some foreign key concepts and MSSQL.
MSSQL has extensive foreign key features and rich relational features.
MYSQL can be installed in Linux and Unix
MSSQL does not work in Linux and Unix
MySQL does not include GUI based management tools.
MSSQL provides management tools based on GUI.
Hope it helps you