<listitem>

<para>

In a <emphasis>parallel sequential scan</emphasis>, the table's blocks will

be divided among the cooperating processes. Blocks are handed out one

at a time, so that access to the table remains sequential.

be divided into ranges and shared among the cooperating processes. Each

worker process will complete the scanning of its given range of blocks before

requesting an additional range of blocks.

</para>

</listitem>

<listitem>