How to use SQL DISTINCT and DISTINCTROW to retrieve unique values in MS Access - Office 365

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DISTINCT is used in the SELECT statement to return unique values in a field. DISTINCT checks only the selected fields listed in the SQL string and then eliminates the duplicate rows. If the SELECT clause contains more than one field, the combination of values from all fields must be unique for a given record to be included in the results. The output of a query that uses DISTINCT is not updatable. DISTINCTROW checks for all fields in the table that is being queried and eliminates duplicates based on the entire record not just the selected fields. The query results from DISTINCTROW can be updated because the fields correspond to the individual records in the table.

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  2. DISTINCT
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  4. Get unique values using distinct
  5. Get distinct values using distinct
  6. multiple fields distinct can be retrieved
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Комментарии
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This was really helpful! Thanks so much!

muffin
Автор

Does it work with COUNT() Function?
cuz in my code in access it dosent work but on PHPmyadmin works

michapolrobibrrrrrrr