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Unexpected problems

Unexpected problems

  • False matches

    • SQL Case-sensitive vs CF case-insensitive
    • ColdFusion null same as empty string
      • (unless query uses COALESCE to give a value to nulls)
  • False differences

    • Extra rows on both sides (“ships passing in the night”)
    • Trailing blanks (do not count in SQL, do in CF)
  • Sort sequences differ

    • Across database products
    • Across database configurations of same product
    • ColdFusion has its own sort sequence
  • SQL query special characters hard to store

    • need URLEncodedFormat

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