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Pandas+mysql+excel Data Processing

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Author: User
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Mysql
  • Index, or the query is slow
  • Note whether the time type will be refreshed after update
  • Design Logic Delete Enable
  • NULL, string numeric operation with function Ifnull (total,0), design-time default value
  • String type (if it contains non-pure numeric data), must be quoted
  • Default value, non-null value must be assigned in advance (TO_SQL)
  • Plus and minus if there is a precision problem, use ABS () > Accuracy error

Pandas+mysql+excel Data Processing

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Related Keywords:
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