Automatic allocation of secondary partition header pages for extending the extent map.

用于扩展区段映射的二级分区头文件页的自动分配。

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The Informix 11.70 introduces extent map overflow pages so the maximum number of extents is high (32,767); however, using extent map overflow pages reduces efficiency.

Informix 11.70引入了区段溢出页，因此区段的最大数量值很高（32,767）；然而，采用区段映射溢出页会导致效率降低。

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The Informix 11.70 introduces extent map overflow pages so the maximum number of extents is high (32,767); however, using extent map overflow pages reduces efficiency.

Informix 11.70引入了区段溢出页，因此区段的最大数量值很高（32,767）；然而，采用区段映射溢出页会导致效率降低。

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