Recursive Common Table Expression – RCTE

递归通用表表达式 (RCTE)

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Its technical term is a common table expression (CTE).

用技术术语来说，这叫做公共表表达式(common table expression,CTE)。

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Notice that for each repetition group a common table expression has been created (lines 2, 18 and 38).

注意，已为每个副本组创建了一个公共表表达式(第2、18和38行)。

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This second select statement is joined with the Common Table Expression (CTE) itself by linking parent to child data.

第二个SELECT语句通过将父数据链接至子数据与公共表表达式 (CTE) 联接。

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According to the SQL Standard, the method to evaluate hierarchical or bi-directional data is the Recursive Common Table Expression (RCTE).

根据SQL标准，评估分层或双向数据的方法为递归通用表表达式(RCTE)。

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Table 1 shows some common regular expression operators.

表1显示了一些常用的正则表达式操作符。

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Table 1 shows some common regular expression operators.

表1显示了一些常用的正则表达式操作符。

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