What is the execution order of sql statements?

The complete execution sequence of the SQL Select statement:

1. The from clause assembles data from different data sources ;

2. The where clause filters the record rows based on the specified conditions;

3. The group by clause divides the data into multiple groups;

4. Use aggregate functions for calculation;

5. Use the having clause to filter groups;

6. Calculate all expressions;

7. Select set output;

8. Use order by to sort the result set.

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