SORT <内表> BY <字段> [ascending/descending]. DELETE ADJACENT DUPLICATES FROM <内表> COMPARING <字段>
*删除所有字段相同数据
SORT <内表> BY <字段> <字段>[ascending/descending].
DELETE ADJACENT DUPLICATES FROM <内表> COMPARING ALL FIELDS.
SORT <内表> BY <字段> [ascending/descending]. DELETE ADJACENT DUPLICATES FROM <内表> COMPARING <字段>
*删除所有字段相同数据
SORT <内表> BY <字段> <字段>[ascending/descending].
DELETE ADJACENT DUPLICATES FROM <内表> COMPARING ALL FIELDS.
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