total_rows: 415
columns: ["Name", "Department", "Salary", "City", "Age", "Performance"]
+--------------+--------------+----------+-----------+-------+---------------+
| Name         | Department   |   Salary | City      |   Age | Performance   |
+==============+==============+==========+===========+=======+===============+
| Employee_18  | Engineering  |    62117 | Shanghai  |    37 | D             |
+--------------+--------------+----------+-----------+-------+---------------+
| Employee_23  | Engineering  |    92438 | Hangzhou  |    38 | B             |
+--------------+--------------+----------+-----------+-------+---------------+
| Employee_24  | Engineering  |   139847 | Hangzhou  |    60 | C             |
+--------------+--------------+----------+-----------+-------+---------------+
| Employee_33  | Engineering  |   121302 | Guangzhou |    23 | C             |
+--------------+--------------+----------+-----------+-------+---------------+
| Employee_38  | Engineering  |   142356 | Guangzhou |    47 | A             |
+--------------+--------------+----------+-----------+-------+---------------+
| Employee_41  | Engineering  |    44210 | Shanghai  |    47 | B             |
+--------------+--------------+----------+-----------+-------+---------------+
| Employee_45  | Engineering  |    40106 | Beijing   |    27 | A             |
+--------------+--------------+----------+-----------+-------+---------------+
| Employee_55  | Engineering  |    98011 | Hangzhou  |    63 | B             |
+--------------+--------------+----------+-----------+-------+---------------+
| Employee_70  | Engineering  |    49201 | Shenzhen  |    23 | A             |
+--------------+--------------+----------+-----------+-------+---------------+
| Employee_76  | Engineering  |   127543 | Shenzhen  |    39 | C             |
+--------------+--------------+----------+-----------+-------+---------------+
| Employee_81  | Engineering  |   143092 | Shanghai  |    32 | B             |
+--------------+--------------+----------+-----------+-------+---------------+
| Employee_84  | Engineering  |    40526 | Guangzhou |    25 | D             |
+--------------+--------------+----------+-----------+-------+---------------+
| Employee_85  | Engineering  |    98910 | Guangzhou |    55 | C             |
+--------------+--------------+----------+-----------+-------+---------------+
| Employee_86  | Engineering  |    55592 | Shanghai  |    50 | D             |
+--------------+--------------+----------+-----------+-------+---------------+
| Employee_87  | Engineering  |    58982 | Guangzhou |    45 | C             |
+--------------+--------------+----------+-----------+-------+---------------+
| Employee_91  | Engineering  |   118733 | Guangzhou |    63 | A             |
+--------------+--------------+----------+-----------+-------+---------------+
| Employee_94  | Engineering  |    59328 | Guangzhou |    37 | B             |
+--------------+--------------+----------+-----------+-------+---------------+
| Employee_99  | Engineering  |    40754 | Guangzhou |    53 | D             |
+--------------+--------------+----------+-----------+-------+---------------+
| Employee_101 | Engineering  |   111437 | Beijing   |    30 | C             |
+--------------+--------------+----------+-----------+-------+---------------+
| Employee_104 | Engineering  |   132747 | Shanghai  |    26 | A             |
+--------------+--------------+----------+-----------+-------+---------------+
| Employee_110 | Engineering  |    71323 | Hangzhou  |    60 | C             |
+--------------+--------------+----------+-----------+-------+---------------+
| Employee_114 | Engineering  |   128452 | Shenzhen  |    24 | B             |
+--------------+--------------+----------+-----------+-------+---------------+
| Employee_118 | Engineering  |   121878 | Guangzhou |    50 | A             |
+--------------+--------------+----------+-----------+-------+---------------+
| Employee_124 | Engineering  |    95061 | Shanghai  |    34 | B             |
+--------------+--------------+----------+-----------+-------+---------------+
| Employee_140 | Engineering  |    72685 | Hangzhou  |    35 | B             |
+--------------+--------------+----------+-----------+-------+---------------+
| Employee_150 | Engineering  |    34437 | Hangzhou  |    58 | D             |
+--------------+--------------+----------+-----------+-------+---------------+
| Employee_151 | Engineering  |   100971 | Shanghai  |    22 | B             |
+--------------+--------------+----------+-----------+-------+---------------+
| Employee_152 | Engineering  |    94612 | Shenzhen  |    31 | A             |
+--------------+--------------+----------+-----------+-------+---------------+
| Employee_153 | Engineering  |   120355 | Guangzhou |    64 | C             |
+--------------+--------------+----------+-----------+-------+---------------+
| Employee_155 | Engineering  |   132411 | Beijing   |    29 | C             |
+-------------