How to set datetime variable to null
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DateTime "null" value
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Setting Objects to Null/Nothing after use in .NET
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How do you set a default value for a MySQL Datetime column?
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Join Date and Time to DateTime in C#
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Is there a way to get DateTime value from timestamp type column?
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Does setting Java objects to null do anything anymore?
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Avoiding IF ELSE due to variable been NULL
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datetime.parse and making it work with a specific format
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datetime to totalminute in sql
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Linq to EntityFramework DateTime
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Is it good practice to set variables to null when they are no longer needed?
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Inserting the value from Datetime field form
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using nulls in a mysqli prepared statement
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Why is the default value of the string type null instead of an empty string?
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What is the difference between null and System.DBNull.Value?
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Xml serialization - Hide null values
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Why is there a `null` value in JavaScript?