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Solution 2
/* Problem: Write a SQL statement to list all employees that do not have a manager. Add your solution at the end. Expected Output: EmployeeId FirstName LastName 1 Noah Clooney */ -- Create a table called Employees CREATE TABLE Employees ( EmployeeId INT PRIMARY KEY, FirstName VARCHAR(200), LastName VARCHAR(200), ManagerEmployeeId INT) GO -- Fill Employee table INSERT INTO Employees VALUES(1, 'Noah', 'Clooney', NULL) INSERT INTO Employees VALUES(2, 'Liam', 'Brolin', 1) INSERT INTO Employees VALUES(3, 'Mason', 'Farrell', 1) INSERT INTO Employees VALUES(4, 'Emma', 'Jolie', 1) INSERT INTO Employees VALUES(5, 'Jacob', 'Foxx', 2) INSERT INTO Employees VALUES(6, 'William', 'Damon', 4) INSERT INTO Employees VALUES(7, 'Olivia', 'Johansson', 5) INSERT INTO Employees VALUES(8, 'Isabella', 'Portman', 1) INSERT INTO Employees VALUES(9, 'Ethan', 'Firth', 6) INSERT INTO Employees VALUES(10, 'Emily', 'Theron', 7) GO ------------------------------------------------------------------ -- Sql Server 2014 Express Edition - 12.0.2000.8 -- Solution. ------------------------------------------------------------------ SELECT EmployeeId, FirstName, LastName FROM Employees WHERE ManagerEmployeeId IS NULL
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Pro 2
identity
Fff
Company DB
Left join producing wrong result
BRYANActul
Split name
Audit Example
Change
1D Hotel
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