文件名称:Oracle_Delete
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Oracle删除重复记录.
删除表中多余的重复记录，方法一：重复记录是根据单个字段（peopleId）来判断，只留有rowid最小的记录.方法二：利用游标。
-Oracle delete duplicate records. Delete unwanted duplicate records in the table, Method One: duplicate records are based on a single field (peopleId) to determine, we have only a minimal record rowid. Method Two: Using the cursor.
删除表中多余的重复记录，方法一：重复记录是根据单个字段（peopleId）来判断，只留有rowid最小的记录.方法二：利用游标。
-Oracle delete duplicate records. Delete unwanted duplicate records in the table, Method One: duplicate records are based on a single field (peopleId) to determine, we have only a minimal record rowid. Method Two: Using the cursor.
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