How do I get SUM function in MySQL to return '0' if no values are found?

How do I get SUM function in MySQL to return '0' if no values are found?

mysql function null sum

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How do I add two count(*) results together on two different tables?

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MYSQL sum() for distinct rows

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MYSQL Sum Query with IF Condition

mysql if-statement sum

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How to select sum -or- 0 if no records exist?

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Calculate average of column from MYSQL query

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MySql sum elements of a column

mysql sum

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Using SUM() without grouping the results

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How to add column values in mysql

mysql sql logic sum

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Sum values of a single row?

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Is it possible to speed up a sum() in MySQL?

mysql performance optimization sum

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Index a sum column

mysql sql sql-server indexing sum

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MySQL select SUM of results with a LIMIT

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SUM(DISTINCT) Based on Other Columns

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MySQL using Sum and Case

mysql sql sum case

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