geometry line endpoints identify the first and last described points. Reversing the same path exchanges them, while a closed line starts and ends together.
SQL SERVER – Check if Current Login is Part of Server Role Member
Clients sometimes forget to give me admin rights. IS_SRVROLEMEMBER(‘sysadmin’) checks if the current login is a Server Role Member: 1 means yes, 0 means no.
Introduction to JOINs in SQL Server: INNER, OUTER and CROSS JOIN
This introduction to JOINs shows INNER, LEFT, RIGHT, FULL and CROSS JOIN with Venn diagrams and real results from two small tables. It also covers finding rows with no match and three traps that catch people. I first wrote it for members of the Gandhinagar SQL Server User Group.
System Configuration Checker WMI Error: Fixing SQL Server Setup
Setup stopped with a WMI message before installing anything? Here are the safe repair steps, in order, with a quick check at the end.
SQL SERVER – Interesting Observation of DMV of Active Transactions and DMV of Current Transactions
sys.dm_tran_active_transactions and sys.dm_tran_current_transaction look alike, but one lists active transactions for the instance, the other only your session.
SQL SERVER – Restore or Attach Database Without .NDF or .MDF is Not Possible
Can you restore or attach database files if the .mdf or an .ndf file is missing? In one word, no. Here is why every data file is needed.
Replacing Profiler Traces With Extended Events
Replacing Profiler traces with Extended Events starts with the question, a focused event session, and a bounded target that avoids needless load.