Data cleaning

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Revision as of 18:23, 8 January 2014 by Planetoid (talk | contribs) (Planetoid移動Is null頁面至Data cleansing)

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Finds whether a variable is NULL

PHP is_null
Google spreadsheet:
- ISERR(value) " value - The value to be verified as an error type other than #N/A." ex: #NULL!
- If the value is exactly NULL not #NULL!, You may use EXACT(value, "NULL")

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Spreadsheet