ALLOW READ ACCESS operations are great when you have a huge amount of data to load.

当有非常多的数据要加载时，ALLOW READ ACCESS操作非常有用。

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Moreover, if an ALLOW read ACCESS load operation fails or is aborted, pre-existing table data can still be read.

此外，如果ALLOW READ ACCESS加载操作失败或者被中断，预先存在的表数据仍然可以被读取。

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There are two options for user access to a table while a RUNSTATS is running against that table: allow read access and allow write access.

当对一个表运行RUNSTATS时，有两种用户访问选项：允许读访问和允许写访问。

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Other models exist that are hybrids of these three, such as delayed open-access, where journals allow only subscribers to read a paper for the first six months, before making it freely available to everyone who wishes to see it.

ECONOMIST: Scientific publishing