PostgreSQL AND & OR 组合条件查询
PostgreSQL AND&OR条件在仅一个查询中提供了AND和OR条件的优点。
语法:
SELECT column1, column2, ..... columnN
FROM table_name
WHERE [search_condition] AND [search_condition] OR [search_condition];
实例:
实例数据:
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:
SELECT *
FROM EMPLOYEES
WHERE (NAME = 'Minsu' AND ADDRESS = 'Delhi') OR (ID>= 8);