update of old PL/SQL PLpgSQL and SQLPL patch based on current version

see [linguist] add support for oracle PLSQL (#1003)

samples/SQL/create_stuff.sql

@@ -0,0 +1,21 @@
+
+CREATE TABLE x AS SELECT * FROM DUAL;
+
+CREATE TABLE y (
+col1 NUMBER NOT NULL ,
+col2 VARCHAR2(200),
+col3 DATE,
+col4 TIMESTAMP WITH TIME ZONE NOT NULL
+);
+
+
+CREATE USER username IDENTIFIED BY password;
+
+GRANT CONNECT, RESOURCE TO username;
+
+
+GRANT CREATE TYPE TO username;
+GRANT CREATE PROCEDURE TO username;
+GRANT CREATE TABLE TO username;
+GRANT CREATE VIEW TO username;
+

samples/SQL/drop_stuff.sql

@@ -0,0 +1,13 @@
+drop procedure who_called_me;
+drop package body linguist_package;
+drop package linguist_package;
+drop function functionname1;
+
+drop table x;
+drop table y cascade;
+
+drop type typename1;
+drop type typename2;
+
+drop view viewname1;
+drop view viewname2;

samples/SQL/dual.sql

@@ -0,0 +1,3 @@
+--this is the most basic oracle sql command
+select * from dual;
+