Exam Prep: 70-461 – MCSA: Microsoft SQL Server 2012 (Querying)

Exam Prep: 70-461 - MCSA: Microsoft SQL Server 2012 (Querying)

This Exam Prep session focuses on what you need to know to get certified and pass the SQL Server Microsoft Certified Professional exam 70-461 (Querying Micro…
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6 Comments

  1. Am I missing something about joins? I’m not finding any resources that
    calls a full join a Cartesian product. Everything I’m seeing says a cross
    join is Cartesian product and full join is basically an outer join on both
    tables.

  2. The audience is not passed a microphone so it would be useful if the
    presenter repeated the question.

  3. I wish the audio was better. Most of the time I can just hear that he is
    speaking. I am not catching all that he is saying.

  4. Grouping ID was incorrect.
    Region, Country, Category = 111 = 7
    Country, Category = 011 = 3
    Region, Category = 101 = 5
    Category = 001 = 1

  5. Great presentation – really useful.

    A pedantic note – I think ‘row number’ would be an equivalent of Oracle’s
    ‘Rownum’ not ‘rowid’.

    Rownum is the number of the row in the order it is returned, and would be
    1,2,3,4. Rowid is the physical address of the row 0 it’s an encoded
    representation of the file and block address – looks like this:
    AAAAECAABAAAAgiAAA

  6. Excellent Presentation. I believe, it has been completed all necessary
    topics in a single presentation.

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