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Viewing 9 posts - 1 through 9 (of 9 total)

  • Reply To: The Rank Window

    I also tried it with:

    total [bigint] NULL

    Results are the same 10 records

    To get the 8 records, the select statement should look like this:

    SELECT

    st.SalesPersonID

    , st.total

    , RANK () OVER (PARTITION BY st.SalesPersonID

    ORDER...

  • Reply To: The Rank Window

    After correcting the script:

    USE TEST

    CREATE TABLE [dbo].[SalesTracking]
    (
    [SalesDate] [datetime] NULL,
    [SalesPersonID] [int] NULL,
    [CustomerID] [int] NOT NULL,
    [PONumber] [varchar] (80) COLLATE SQL_Latin1_General_CP1_CI_AS NULL,
    [paid] [bit] NULL,
    total [money] NULL
    ) ON [PRIMARY]
    GO
    CREATE CLUSTERED INDEX...
  • Reply To: The Reindeer Count

    Delving into a bit of "Rudolph the Red-Nosed Reindeer" trivia:

    While the song does list all Nine of the reindeer, it does not specifically say that Santa used all of them...

  • Reply To: The Update Lock

    Am I missing something here?

    If I am reading this correctly, Microsoft is saying that an Update lock is converted to an Exclusive lock.

    "Only one transaction can obtain an update (U)...

  • Reply To: The Order of Operations

    The implied multiplication comes into play because of the negative sign.

    Think about Algebra

    -100/-100*x can be written as -100/-100x

    Algebra would solve this problem by multiplying the -100 and x first.

    In our...

  • Reply To: The Order of Operations

    SQL reads from left to right

    Example 16/4/4 is interpreted as (16/4)/4 = 1  instead of 16/(4/4)=16

    SQL is using implied multiplication.

    Multiplication is interpreted as having higher precedence than division, so that...

  • Reply To: SELECT and Locking

    From

    https://docs.microsoft.com/en-us/sql/t-sql/statements/set-transaction-isolation-level-transact-sql?view=sql-server-ver15

    READ COMMITTED

    Specifies that statements cannot read data that has been modified but not committed by other transactions. This prevents dirty reads. Data can be changed by other transactions...

  • RE: Christmas 2017 - Part 3

    gvoshol 73146 - Wednesday, December 27, 2017 8:02 AM

    But if you sort by locale DESCENDING as in the possible answers, you will...

  • RE: Christmas 2017 - Part 3

    The correct answer is Movie
    I had to add a Genre to the last record set and correct the syntax for the movie title [It's a Wonderful Life] to get...

Viewing 9 posts - 1 through 9 (of 9 total)