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SQL Top 10 Frequent Values
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SQL Top 10 Frequent Values

MediumSQL · PostgreSQL

Problem

Write a SQL query to retrieve the top 10 most frequently occurring values in a dataset.

Use the provided dataset_values table. Exclude NULL values from the frequency results. If values have equal frequencies, sort them alphabetically.

Output

  1. Up to 10 rows, one per distinct non-null dataset value
  2. Columns: dataset_value and occurrence_count
  3. Order by occurrence count descending, then dataset value ascending

Schema

dataset_values
ColumnTypeDescription
value_idPKINTUnique identifier for the dataset row
dataset_valueVARCHAR(100)Value whose frequency is being measured
Tablesdataset_values
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