多表 [计] multilist
- 另外,查询分解的 XML 数据很困难,常常需要多表联结。
Furthermore, querying decomposed XML data can be challenging, often requiring multi-table joins. - 典型的数据库标准会建议需要先创建一张比萨表,然后再创建一张将比萨 ID 与浇头 ID 关联起来的多对多表。
Classic database normalization would say to create a Pizza table, and then a many-to-many table relating pizza IDs to topping IDs. - 本文介绍了DDM4A数码显示表的主要特点及与PLC的接线方式,并给出了三菱FX系列PLC编程的多表显示例程。
This paper introduced the main characteristics and the connecting method of DDM4A digital show meter to PLC, and presented a multi-meter indication example of the Mitsubishi FX series PLC.
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