Yurttas/PL/DBL/postgres/F/01/Bank/a02.sql

 1/*
 2REM
 3REM a02.sql
 4REM
 5REM Find the number of depositors for each branch.
 6REM
 7*/
 8
 9SELECT current_schema();
10SET search_path to "bank";
11
12SELECT branchname, COUNT(DISTINCT customername)
13FROM Depositor
14GROUP BY branchname;