"content":"<p>Table: <code>Employees</code></p>\n\n<pre>\n+-------------+---------+\n| Column Name | Type |\n+-------------+---------+\n| employee_id | int |\n| name | varchar |\n+-------------+---------+\nemployee_id is the column with unique values for this table.\nEach row of this table indicates the name of the employee whose ID is employee_id.\n</pre>\n\n<p> </p>\n\n<p>Table: <code>Salaries</code></p>\n\n<pre>\n+-------------+---------+\n| Column Name | Type |\n+-------------+---------+\n| employee_id | int |\n| salary | int |\n+-------------+---------+\nemployee_id is the column with unique values for this table.\nEach row of this table indicates the salary of the employee whose ID is employee_id.\n</pre>\n\n<p> </p>\n\n<p>Write a solution to report the IDs of all the employees with <strong>missing information</strong>. The information of an employee is missing if:</p>\n\n<ul>\n\t<li>The employee's <strong>name</strong> is missing, or</li>\n\t<li>The employee's <strong>salary</strong> is missing.</li>\n</ul>\n\n<p>Return the result table ordered by <code>employee_id</code> <strong>in ascending order</strong>.</p>\n\n<p>The result format is in the following example.</p>\n\n<p> </p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> \nEmployees table:\n+-------------+----------+\n| employee_id | name |\n+-------------+----------+\n| 2 | Crew |\n| 4 | Haven |\n| 5 | Kristian |\n+-------------+----------+\nSalaries table:\n+-------------+--------+\n| employee_id | salary |\n+-------------+--------+\n| 5 | 76071 |\n| 1 | 22517 |\n| 4 | 63539 |\n+-------------+--------+\n<strong>Output:</strong> \n+-------------+\n| employee_id |\n+-------------+\n| 1 |\n| 2 |\n+-------------+\n<strong>Explanation:</strong> \nEmployees 1, 2, 4, and 5 are working at this company.\nThe name of employee 1 is missing.\nThe salary of employee 2 is missing.\n</pre>\n",