Informix will not allow the creation or extension of a chunk to overlap an existing chunk in the same instance, whether the operation is performed manually or automatically.
Informix将不允许创建或扩展块来重叠同一实例中的现有块，不管是手动还是自动执行操作。
2
The overlap of 4 hours now between HKSE's operation and A-share trading will be prolonged to 5 hours on March 7, 2011.