Which aggregation function in DB2 is used to calculate the variance of a set of values?

  • AVG() function
  • STDDEV() function
  • SUM() function
  • VARIANCE() function
The VARIANCE() function in DB2 is used to calculate the variance of a set of values in a column. Variance measures how much the values in a dataset vary from the mean. It provides insight into the spread or dispersion of the data points around the average. By analyzing variance, one can understand the distribution of the data and assess its consistency. 
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