Using Count(*) is generally better than using Count() with a specific column name, because it gives the query engine the flexibility to find out the row count any way it can. It might, for example, just read an index instead of scanning the table.


GM Creates Open Source uProtocol and Invites Automakers to Adopt It: Revolutionizing Automotive Software Development.
General Motors (GM) recently announced its entry into the Eclipse Foundation. The Eclipse Foundation is a prominent open-source software foundation. In addition, GMC announced its contribution of “uProtocol” to facilitate