Things to Avoid in Your Query

LIKE ‘%xxxxxx%’ Table Valued Functions Functions in from/below Implicit Conversions (convert to different data type) Comparing the contents of 2 columns on 1 table Table Variables Table variable does not have stats and serial for updates.

CTE (Common Table Expression) Specifies a temporary named result set, known as a common table expression (CTE). This is derived from a simple query and defined within the execution scope of a single SELECT, INSERT, UPDATE, DELETE or MERGE statement.  A Common Table Expression, also called as CTE in short form, is a temporary named result set that... » read more

SQL Server Windows Failover Cluster – Unable to start Roles

Status: Windows Failover Cluster fail to start any of the Roles All nodes in the Windows Failover Cluster are up. Identified several important event IDs that are common across all SQL nodes: 1069, 1205, 1254. Probable Causes: -SQL node names and AG name are not resolving or couldn’t register in the network. please look at the... » read more