oracle sql questions for practice department code example

Example 1: sql queries questions

SELECT SUBSTRING(Address, 1, CHARINDEX('(',Address)) FROM EmployeeInfo;

Example 2: sql queries questions

SELECT E.EmpFname, E.EmpLname, P.EmpPosition 
FROM EmployeeInfo E INNER JOIN EmployeePosition P ON
E.EmpID = P.EmpID AND P.EmpPosition IN ('Manager');