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                # 統計函數 [TOC] ## =DBSUM(db.xx) - 語法: `=DBSUM(數據集編碼.數據集字段)` - 返回值:指定數據集指定字段,對該字段所有數據求和 - 對比SUM函數區別:DBSUM統計數據集所有數據,SUM只支持當前頁數據 - 使用示例: ![](https://img.kancloud.cn/2b/18/2b187db42a9585749477c18626ca588b_729x177.png) - 效果演示: ![](https://img.kancloud.cn/83/13/831321986bc811612b6108402eaada82_784x609.gif) ## =DBMAX(db.xx) - 語法: `=DBMAX(數據集編碼.數據集字段)` - 返回值:指定數據集指定字段,求該字段所有數據的最大值 - 對比MAX函數區別:DBMAX統計數據集所有數據,MAX只支持當前頁數據 - 使用示例: ![](https://img.kancloud.cn/e2/27/e227dbbc2774364b066d5e4ae936571f_771x169.png) - 效果演示: ![](https://img.kancloud.cn/fc/ee/fcee89da65e90e045b79467fae1aa908_784x609.gif) ## =DBMIN(db.xx) - 語法: `=DBMIN(數據集編碼.數據集字段)` - 返回值:指定數據集指定字段,求該字段所有數據的最小值 - 對比MIN函數區別:DBMIN統計數據集所有數據,MIN只支持當前頁數據 - 使用示例: ![](https://img.kancloud.cn/25/af/25afd1e878e676c082c971e77bffbb6d_758x171.png) - 效果演示: ![](https://img.kancloud.cn/c3/c8/c3c84e1fb4d011e09fba9b3655ef2ccc_784x609.gif) ## =DBAVERAGE(db.xx) - 語法: `=DBAVERAGE(數據集編碼.數據集字段)` - 返回值:指定數據集指定字段,統計該字段所有數據的平均值 - 對比AVERAGE函數區別:DBAVERAGE統計數據集所有數據,AVERAGE只支持當前頁數據 - 使用示例:(*給平均值加了個數值格式化*) ![](https://img.kancloud.cn/8d/80/8d80bad22aa7fb554b7c8e04bb1e97a0_772x202.png) - 效果演示: ![](https://img.kancloud.cn/01/36/01368b7409c59b1455a5c0f40a23314d_784x609.gif)
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