How to Ignore “Duplicate Key” error in T-SQL (SQL Server)

Question

I have a transaction that contains multiple SQL Statements (INSERT, UPDATE and/or DELETES). When executing, I want to ignore Duplicate Error statements and continue onto the

Answer 1

For SQL server 2000:

     INSERT INTO t1 (ID, NAME)
      SELECT valueid, valuename
      WHERE  NOT EXISTS
               (SELECT 0
                FROM   t1 as t2
                WHERE  t2.ID = valueid AND t2.name = valuename)