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Is a NULL value same as zero or a blank space? If not then what is the difference?
Answer:
zero or blank space can be compared with another zero or blank space. where as one null may not be equal to another null. null means data might not be provided or there is no data.
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22 Nov, 2020 1:13 AM
zero or blank space can be compared with another zero or blank space. where as one null may not be equal to another null. null means data might not be provided or there is no data.