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SUM

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SUM( [DISTINCT | ALL] expr) 

‰πΰ

expr‚̍‡Œv’l‚π–ί‚·BDISTINCT‚πŽw’θ‚΅‚½κ‡Ad•‘’l‚πœ‚­’l‚̍‡Œv’l‚π–ί‚·B
ƒfƒBƒtƒHƒ‹ƒg‚ΕALLB

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SELECT SUM(‹‹—^) ,SUM( DSITINCT ‹‹—^)  FROM HOGEHOGE;

SELECT •” , SUM(‹‹—^) FROM HOGEHOGE GROP BY •”;