What are the standard SQL commands? - ProProfs Discuss
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What are the standard SQL commands?

Asked by Melissajanuary, Last updated: Mar 27, 2024

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melissajanuary

melissajanuary

melissajanuary
Melissajanuary

Answered Apr 25, 2019

COUNT(*) returns the number of rows including duplicate rows and rows containing NULL value in any of the columns
COUNT(DISTINCT inv_amt) returns the number of rows excluding rows containing duplicates and NULL values in the INV_AMT column
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