I have 2 questions:
1- I need to know which is consider to be good practice, to install the SQL Server engine in the operating system physical partion (Like C:) or to install it on another partion like (like D:), which one is the best ?
2- what is recommended for performance , creating database in the same physical partion where SQL engine is installed or make SQL Server engine in partion (Like C:) and database file on another partion (Like D:) ?
I have windows server 2008 R2 enterprise and SQL Server 2008 R2.