[The Oracle] group function

Others 2020-03-25 08:18:23 views: null

Five important grouping function
- SUM
- AVG
- MAX
- MIN
- COUNT

NVL (eExpression1, eExpression2)

If eExpression1 is null eExpression2 returns

END

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Origin www.cnblogs.com/leoshi/p/12563731.html

[The Oracle] group function

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