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Thread: not null number field

  1. #1
    Join Date
    Mar 2011
    Posts
    2

    not null number field

    Does anyone know the meaning of "-~" in a oracle table. The column is dfined as Number and must not be null. The column is populated from another table (Through an informatica mapping) where the value is NULL?

  2. #2
    Join Date
    Nov 2002
    Location
    New Jersey, USA
    Posts
    3,932
    It could be informatica inserting -~ characters, if it is inserted as null it should not contain anything in Oracle. Oracle would not insert into a number column. How are you checking the value in the column, SQLPlus or other tool?

  3. #3
    Join Date
    Mar 2011
    Posts
    2

    NOT NULL Number field

    Thanx for the input, but discovered an expression in the informatica mapping that assigned -9.9999E125 to this field, if
    the input field was NULL (which it was) and Oracles reprsentation of this number (basically Negative infinity) is -~.

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