Improve the bracketed part of the sentence. Bull markets, John Templeton said, are born on pessimism, grow on scepticism, mature on optimism and (die for) euphoria.
Primary productivity refers to plants that make their own food using sunlight, water and availability of nutrients. Hence, they are not limited by time.
SQL profiler is a tool to monitor performance of various stored procedures. It is used to debug the queries and procedures. Based on performance, it identifies the slow executing queries. Capture any problems by capturing the events on production environment so that they can be solved.