What are the common validation techniques used in data processing?
Common validation techniques include range checks, format checks, consistency checks, and uniqueness checks.
Can you explain what a range check is?
A range check ensures that a value falls within a specified minimum and maximum range, helping to catch errors.
What about format checks?
Format checks verify that data is in the correct format, such as checking if a date is in 'YYYY-MM-DD' format.
Are there any other techniques I should know about?
Yes, consistency checks ensure that data across different fields or records is logically consistent, while uniqueness checks ensure no duplicate entries.
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