Error 1418 says the server network address cannot be reached or does not exist. Check the firewall, then enable TCP/IP for the server and client on port 1433.
SQL Server Interview Questions and Answers Part 6
Interview Questions and Answers Part 6 covers the six properties of relational tables and de-normalization, adding redundant data to help performance.
SQL Server Interview Questions and Answers Part 3
Interview Questions and Answers Part 3 opens with NOLOCK: how the hint skips read locks, why that means dirty reads, and what it does for concurrency.
SQL Server Interview Questions and Answers Part 2
Interview Questions and Answers Part 2 explains clustered vs non-clustered indexes and the index configurations a table can have. The updated set has moved.
SQL Server Interview Questions and Answers Part 1
Interview Questions and Answers Part 1 starts with the basics: what an RDBMS is and what normalization means. The updated set now lives at a new location.
SQL SERVER – Fix : Error: 18452 Login failed for user ‘(null)’. The user is not associated with a trusted SQL Server connection.
Error: 18452 Login failed for user ‘(null)’ means the server only allows Windows Authentication. Switch to Mixed Mode and enable the sa login to fix it.
SQL SERVER – Script to Find SQL Server on Network
I manage lots of SQL Servers and forget their names, so I use xp_CMDShell and ISQL -L to find SQL Server on network machines. A short video is included.