Yurttas/PL/DBL/mysql-f-2010/01/BankTwo/a03.sql

 1/*
 2REM
 3REM a03.sql
 4REM
 5REM Find the average account balance at each branch
 6REM where the average account balance is more than $400.
 7REM
 8*/
 9
10\. set-db.sql
11
12SELECT branchname, AVG(balance)
13FROM Depositor
14GROUP BY branchname
15HAVING AVG(balance)>400;