/SQL/Recursive query herarchical data sql server

Recursive query herarchical data sql server

WITH cte_org AS (
    SELECT       
        staff_id, 
        first_name,
        manager_id
        
    FROM       
        sales.staffs
    WHERE manager_id IS NULL
    UNION ALL
    SELECT 
        e.staff_id, 
        e.first_name,
        e.manager_id
    FROM 
        sales.staffs e
        INNER JOIN cte_org o 
            ON o.staff_id = e.manager_id
)
SELECT * FROM cte_org;
Code language: SQL (Structured Query Language) (sql)

Source: sqlservertutorial.net

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