Answer
See the explanation
Work Step by Step
To translate the given SQL statement into a sequence of SELECT, PROJECT, and JOIN operations, you would break it down step by step:
1. SELECT: Choose the columns you want to retrieve. In this case, it's JobTitle from the Job table.
2. PROJECT: Perform any necessary projection operations to ensure the selected columns are unique.
3. JOIN: Combine the tables based on the specified conditions.
So the sequence of operations would be:
1. SELECT JobTitle
2. PROJECT (to ensure uniqueness)
3. JOIN Assignment and Job on Assignment.Job1Id = Job.JobId
4. Filter the results where Assignment.EmplId = '34Y70'
Here's the sequence in SQL:
```sql
SELECT DISTINCT Job.JobTitle
FROM Assignment
JOIN Job ON Assignment.Job1Id = Job.JobId
WHERE Assignment.EmplId = '34Y70';
```