I think @Zack properly answered the question but just to cover all the bases:
(我认为@Zack正确回答了这个问题但只是为了涵盖所有基础:)
Update myTable set MyColumn = NULL
This would set the entire column to null as the Question Title asks.
(如问题标题所示,这会将整个列设置为null。)
To set a specific row on a specific column to null use:
(要将特定列上的特定行设置为null,请使用:)
Update myTable set MyColumn = NULL where Field = Condition.
This would set a specific cell to null as the inner question asks.
(当内部问题要求时,这会将特定单元格设置为null。)
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