: Count : Aggregate Functions MySQL TUTORIALS
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Aggregate Functions
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Count
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Related Scripts with Example Source Code in same category :
Count(*)
COUNT(DISTINCT expr,[expr...]) (Returns a count of the number of different non-NULL values.)
Return the total number of rows
COUNT(column name)
Distinct count
Use and IF() and COUNT() to give us a total as COUNT() ignores NULL values
Using COUNT(*) in a table JOIN
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Count
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