Section 1. My own notes:

1.1. Overview of some often used TSQL statements and scripts:

1.2. Reviving SQL accounts:

1.3. Some simple quick admin queries (or notes) for 2005/2008 (.txt files):

1.4. Overview SQL Server Versions and builds:

1.5. SQL Server Trace Flags:

1.6. Some notes on handling corruption on 2005/2008 (html):

1.7. Performance Notes 2005/2008 (html) :

1.8. Exam Preparation support files for exams 70-431 / 70-432 (in Excel format):

1.9. A few very simple and short tutorials (in Excel format):

1.10. Notes on SPN, Kerberos, Delegation:

1.11. Older DBA stuff:

Section 2. Working Docs:

2.1. A few short notes on clustering: