Create update-returning.sql

Author: uschwinn

data-platform/core-converged-db/database-23c/23c-basic-examples/update-returning.sql

@@ -0,0 +1,19 @@
+REM Script in 23c: update-returning.sql
+
+SELECT ename, sal FROM emp
+WHERE ename = 'KING';
+
+-- create variables in SQL*Plus and Update with returning
+VARIABLE old_salary NUMBER
+VARIABLE new_salary NUMBER
+
+UPDATE emp
+     SET sal=sal+1000
+     WHERE ename = 'KING'
+     RETURNING OLD sal, NEW sal into :old_salary, :new_salary;
+
+-- check the result
+PRINT old_salary
+PRINT new_salary
+
+rollback;