PostgreSQL AND & OR条件查询示例教程

PostgreSQL AND＆OR条件在仅一个查询中提供了AND和OR条件的优点。文章源自菜鸟学院-https://www.cainiaoxueyuan.com/sjk/4874.html

语法：文章源自菜鸟学院-https://www.cainiaoxueyuan.com/sjk/4874.html

SELECT column1, column2, ..... columnN    
FROM table_name    
WHERE [search_condition]  AND [search_condition]     
OR [search_condition];

我们来看一下表“EMPLOYEES”，具有以下数据。
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查询名字的值为Minsu和地址的值为’Delhi‘，或者ID值大于等8的记录信息，执行以下查询：文章源自菜鸟学院-https://www.cainiaoxueyuan.com/sjk/4874.html

SELECT *  
FROM EMPLOYEES  
WHERE (NAME = 'Minsu' AND ADDRESS = 'Delhi')  
OR (ID>= 8);

得到以下结果 -
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