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Old January 9th, 2018, 04:23 PM
tao94539 tao94539 is offline
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Sql query help

does anyone know how to write the query

Given these two tables of data:

Table name: Persons
+---------+-------------+----------+
| name | department | region |
+---------+-------------+----------+
| Rachel | Finance | Europe |
| Katie | Engineering | Asia |
| Rocky | Sales | Americas |
| Charles | Engineering | Asia |
+---------+-------------+----------+

Table name: Access
+--------+--------------+
| name | access_level |
+--------+--------------+
| Rachel | Global |
| Rachel | Europe |
| Katie | Europe |
| Rocky | Americas |
+--------+--------------+

Who has access that doesn't make sense for their region?
the answer is Katie, whose region is not the same in both access and persons table

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