• All of them, and at least 5 years.

    Seriously, there's no one book that's going to make you an expert. Read everything you can get your hands on. Test everything out that the books describe, try everything that they show.

    Gail Shaw
    Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
    SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

    We walk in the dark places no others will enter
    We stand on the bridge and no one may pass