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The SQL statements comprising the DDL for the COMPANY Database are given to you. For that database, answer the following queries. Create the files Q1

The SQL statements comprising the DDL for the COMPANY Database are given to you. For that database, answer the following queries. Create the files Q1 to Q10 in PostgreSQL. Do follow the restrictions stated for individual queries. When a query asks for "name" of employees, retrieve both, the first and the last names.

6. Find the names of all employees who work on at least one project located in Houston but whose department has no location in Houston.

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