Some Administration stuff
Glenn Berry: Five Very Useful Index Selection Queries for SQL Server 2005
- Find "Missing" Indexes for the entire instance of SQL Server
- Find "Missing" Indexes for a single table
- Examine the current index structure for a single table
- Look at index usage for a single table
- Look for possible bad indexes inside the entire current database
- Drill into your workload (Bonus)
SQL Server Central: Seven Monitoring Scripts
- Failed jobs report
- Free space by drive
- Disabled jobs
- Running jobs
- Server role members
- Last backup date
- SQL Log
And last, but not least this resource: SQL Server Programming Hacks - 100+ List
