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  • 示例数据库
#1
SELECT employee_id, first_name, last_name, salary FROM employees WHERE salary > 14000 ORDER BY salary DESC;
#2
SELECT employee_id, first_name, last_name, department_id FROM employees WHERE department_id = 5 ORDER BY first_name;
#3
SELECT employee_id, first_name, last_name FROM employees WHERE last_name = 'Chen';
#4
SELECT employee_id, first_name, last_name, hire_date FROM employees WHERE hire_date >= '1999-01-01' ORDER BY hire_date DESC;
#5
SELECT employee_id, first_name, last_name, hire_date FROM employees WHERE CAST(strftime('%Y',hire_date) AS INTEGER) = 2000 ORDER BY hire_date DESC;
表格列表
国家
SELECT * FROM countries;
部门
SELECT * FROM departments;
受抚养人
SELECT * FROM dependents;
员工
SELECT * FROM employees;
工作
SELECT * FROM jobs;
地点
SELECT * FROM locations;
区域
SELECT * FROM regions;
  • SQL 查询
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  • 结果