Is PostgreSQL faster than mssql?

PostgreSQL has a better concurrency management system . It handles very well the case where multiple processes can access and modify shared data at the same time. On the other hand, SQL Server has underdeveloped concurrency and you can easily get various locked, blocked, and deadlocked reports in the log.

Read more

What is DLL in SQL Server?

A DLL that contains extended stored procedure functions acts as an extension to SQL Server . To install the DLL, copy the file to a directory, such as the one that contains the standard SQL Server DLL files (C:\Program Files\Microsoft SQL Server\MSSQL12.

Read more