Bosala requête mySQL oyo ezuaka basali misato ya liboso ya département moko na moko ba commander par expérience.
 Mpo na kosala motuna ya mySQL oyo ezuaka basali misato ya likolo uta na departema moko na moko oyo bapesameli mitindo na nzela ya mayele, esengeli osalela maloba ya `DENSE_RANK()` , `WHERE`, mpe `ORDER BY`. Olingaki kozongisa na esika ya `basali` na kombo ya tableau mpe `kombo_ya dept`, `expérience`, mpe `kombo_emp` na ba kombo ya makonzí mpo na departema, expérience, mpe kombo ya mosali : ``` SELECT dept_name, emp_name, experience FROM ( SELECT dept_name, emp_name, expérience, DENSE_RANK() OVER(PARTITION NA dept_name ORDER NA expérience DESC) lokola rang FROM basali ) lokola sous-query WHERE sub_query.rank <= 3 ORDER NA dept_name, expérience DESC; ```