what is slotcnt sql server
That is what I found : http://social.technet.microsoft.com/wiki/contents/articles/21877.sql-server-how-does-sql-server-allocate-space-in-a-heap.aspx. In total there are 2 records stored on the data page (m_slotCnt) and the page has 3,063 bytes available for new records (m_freeCnt).