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      3. 多列上的Sqlite主键

        Sqlite primary key on multiple columns(多列上的Sqlite主键)
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                • 本文介绍了多列上的Sqlite主键的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着跟版网的小编来一起学习吧!

                  问题描述

                  在 SQLITE 中指定多于 1 列的主键的语法是什么?

                  What is the syntax for specifying a primary key on more than 1 column in SQLITE ?

                  推荐答案

                  根据文档,这是

                  CREATE TABLE something (
                    column1, 
                    column2, 
                    column3, 
                    PRIMARY KEY (column1, column2)
                  );
                  

                  这篇关于多列上的Sqlite主键的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持跟版网!

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