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akrai37 · Apr 27, 2020 · f2a804f · f2a804f
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commit f2a804f
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/61Task-3.sql b/61Task-3.sql
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+SELECT 
+    YEAR(d.from_date) AS calendar_year,
+    e.gender,
+    COUNT(e.emp_no) AS num_of_employees
+FROM
+    t_employees e
+        JOIN
+    t_dept_emp d ON d.emp_no = e.emp_no
+GROUP BY calendar_year , e.gender
+HAVING calendar_year >= 1990
+ORDER BY calendar_year;