The header contains general block information, such as the block address and the type of segment (for example, data or index).

块首部包涵了一般的块信息，这些信息包涵诸如块地址以及段的类型（比如，数据或者索引）等。

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The header contains general block information, such as the block address and the type of segment (for example, data or index).

这部分的数据块包含了有关实际的行的信息（包括行数据区域每个行片段的地址）。

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The header contains general block information, such as the block address and the type of segment (for example, data or index).

数据块的这部分包涵了关于数据块中拥有行的表的信息。

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