Difference between Count(*), Count(1), Count(colname) | SQL Interview Question | IQBees

Difference between Count(*), Count(1), Count(colname) | SQL Interview Question | IQBees

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Oracle PL SQL interview question | Count(1) vs Count(*) vs Count(column) vs Count(Distinct Column)
Oracle PL SQL interview question | Count(1) vs Count(*) vs Count(column) vs Count(Distinct Column)
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