MERGE INTO 目標表 USING 用法批量新增或修改（可用於覆蓋）

attention：sql 批量新增時若是是兩條徹底重複數據，該sql僅新增一條。oracle 若僅主鍵重複，則報錯。app oracle:it merge into table t usingio (table select ? col1, ?  col2 ... from dualdate union select ? col1, ?  col2 ... from dualforeach ..

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