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    Tag: Data Modeling and Database Design

    Which forecasting technique can place the most emphasis on recent values? How does it do this?

    QUESTION: “Which forecasting technique can place the most emphasis on recent values? How does it do this?”

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    Aehtisaam Saifi August 27, 2020
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    What do the ALL and ANY operators do when used in a subquery?

    QUESTION: “What do the ALL and ANY operators do when used in a subquery?”

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    Aehtisaam Saifi September 11, 2018
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    What is the SQL operator (i.e., keyword) used in conjunction with pattern matching?

    QUESTION: “What is the SQL operator (i.e., keyword) used in conjunction with pattern matching?”

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    Aehtisaam Saifi September 11, 2018
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    How are null values treated when one or more appear during the execution of a group function?

    QUESTION: How are null values treated when one or more appear during the execution of a group function?

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    Aehtisaam Saifi September 11, 2018
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    What is the result of an attempt to add, subtract, multiply, or divide two number fields, one of which contains a null value?

    QUESTION: What is the result of an attempt to add, subtract, multiply, or divide two number fields, one of which contains a null value?

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    Aehtisaam Saifi September 11, 2018
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    What is the result of an attempt to add, subtract, multiply, or divide two number fields, one of which

    QUESTION: What is the result of an attempt to add, subtract, multiply, or divide two number fields, one of which contains a null value?

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    Aehtisaam Saifi September 11, 2018
    0 Comments

    Which comparison operators can be used when searching for null values? Which comparison operators

    QUESTION: Which comparison operators can be used when searching for null values? Which comparison operators cannot be used when searching for null values? What is…

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    Aehtisaam Saifi September 11, 2018
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    Which comparison operators can be used when searching for null values? Which comparison operators cannot be used when searching for null values?

    QUESTION: Which comparison operators can be used when searching for null values? Which comparison operators cannot be used when searching for null values? What is…

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    Aehtisaam Saifi September 11, 2018
    0 Comments

    What is the difference between a character field that contains a null value and a character field that contains a single blank space?

    QUESTION: What is the difference between a character field that contains a null value and a character field that contains a single blank space?

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    Aehtisaam Saifi September 9, 2018
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    What is the difference between a character field that contains a null value and a character field that

    QUESTION: What is the difference between a character field that contains a null value and a character field that contains a single blank space?

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    Aehtisaam Saifi September 9, 2018
    0 Comments
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