employeesdirectreportscte.sql
来自「wrox出版社的另一套经典的VB2005数据库编程学习书籍,收集了书中源码,郑重」· SQL 代码 · 共 17 行
SQL
17 行
USE Northwind
GO
WITH DirectReports (Name, EmployeeID, ReportsTo) AS
--Anchor member
(SELECT FirstName + ' ' + LastName, EmployeeID, ReportsTo
FROM Employees
WHERE ReportsTo IS NULL
UNION ALL
--Recursive member
SELECT emp.FirstName + ' ' + emp.LastName, emp.EmployeeID, emp.ReportsTo
FROM Employees emp INNER JOIN DirectReports dr
ON emp.ReportsTo = dr.EmployeeID)
SELECT * FROM DirectReports;
GO
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