我想從我的數據庫表中獲得列的總和。但我只得到0.00。我的代碼是: $total_income_query = $db->prepare("select sum(credit) from accounts WHERE STR_TO_DATE(date, '%d/%m/%Y') BETWEEN STR_TO_DATE(:startDate, '%d/%m/%Y') AND STR_TO_DATE(:
當添加了一套義務轉化爲使用WSO2的XML Web編輯器在OASIS XACML版本3語法的說明所述現有的XACML策略中,WSO2編輯器引發以下錯誤: Entitlement policy is not updated. Error is :Invalid Entitlement Policy. Policy is not valid according to XACML schema
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