| 单词 | self-join | ||||||||||||||||
| 释义 | self-join
更多释义 收起释义 例句释义: 自联接,自连接,自我联结 1. A self join can be of any type, as long as the joined tables are the same. 既然联接的是同一个表，那么自联接可以是任一种类型。 www.bugsboard.net 2. As with any join, a self-join requires at least two tables. 如同任何联结一样，自我联结至少需要两个资料表。 technet.microsoft.com 3. As a general rule, not-equal joins make sense only when used with a self-join. 通常不等联接只有与自联接同时使用才有意义。 msdn2.microsoft.com 4. DELETE statements are not allowed when there is a self-join with the same view or any one of the member tables. 如果存在与同一视图或任意成员表的自联接，则不能使用DELETE语句。 technet.microsoft.com 5. A self join is rather unique in that it involves a relationship with only one table. 自联接是相当独特的，它只涉及到仅仅一个表的关系。 www.bugsboard.net 6. A new feature of the query optimizer supports a new type of index scan, called an index self-join path. 查询优化器的一项新特性支持一种新的索引扫描，即索引自连接路径。 www.ibm.com 7. The AVOID_INDEX_SJ directive prevents a self-join path for the specified index or indexes. AVOID_INDEX_SJ指令则防止指定索引的自连接路径。 www.ibm.com 8. when you run queries against a table , you can use a reflexive relationship to create a self - join. 如果对表运行查询，则可使用自反关系创建自联接。 www.ichacha.net 9. Creating a self-join often requires multiple join conditions. 建立自我联结通常需要多重联结条件。 technet.microsoft.com 10. Insert or update operations that are based on a self-join follow the order in the FROM clause. 基于自联接的插入和更新操作遵循FROM子句中的顺序。 msdn2.microsoft.com 1. Steps for allowing the Query and View Designer to create a self-join. 让查询和视图设计器创建自联接的步骤。 msdn2.microsoft.com 2. You are working with multiple instances of the same table (such as in a self-join) and need a way to refer to one instance or the other. 您使用相同资料表的多个执行个体（例如自我联结），然后需要参考到一个或另外一个执行个体的方式。 technet.microsoft.com 3. For example, you can use a self-join to find pairs of authors living in the same city. 例如，可使用自联接查找生活在同一城市的作者对。 technet.microsoft.com |
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