Earlier, we mentioned that to be allowed to change employee address data, you must first lock the employee record, make the changes, and finally unlock the record.
前面提到，如果要修改雇员的地址数据，首先必须锁定该雇员的记录，修改数据然后再解除锁定。
Earlier, we mentioned that to be allowed to change employee address data, you must first lock the employee record, make the changes, and finally unlock the record.
前面提到，如果要修改雇员的地址数据，首先必须锁定该雇员的记录，修改数据然后再解除锁定。
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