Page Life Expectancy is the number of seconds the average page of data has been in the buffer pool.SQL server keeps data pages in memory for quicker access instead of having to read from disk every time. Now, keep in mind that Page Life Expectancy doesn’t prove or disprove anything on its own. It’s simply a symptom of potential memory pressure. If you think that your server is suffering from some sort of memory pressure, this is just one piece of a bigger puzzle that can help

This post is meant to be a quick primer on Table Partitioning in SQL Server. What is it? Let's say you have a large table that is accepting a lot of transactions, partitioning allows you to scale this particular table out into different (physical partitions). Thus spreading out the I/O across multiple files and even disks. Why do I need it? While the integrity of the data or table remains intact, almost transparent to front end queries (still seen as a single table), but the