Each row of the table contains a form to delete an individual rule.
每个表格行都包含一个表单以删除一个单独的规则。
Delete a row from a table with 10 indexes, and DB2 must remove all index entries associated with the deleted rows.
如果从一个带有10个索引的表删除一行，DB 2必须删除与被删除的行关联的所有索引条目。
If a row has already been updated or deleted, then this row cannot be joined again with any source table row for another update or delete again.
如果一个行已被更新或者删除，那么不能针对该行再次更新与删除，再次与任何源表联接。
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