Fix

node_modules/shiki/samples/plsql.sample

@@ -0,0 +1,20 @@
+-- available online in file 'examp1'
+DECLARE
+   qty_on_hand  NUMBER(5);
+BEGIN
+   SELECT quantity INTO qty_on_hand FROM inventory
+      WHERE product = 'TENNIS RACKET'
+      FOR UPDATE OF quantity;
+   IF qty_on_hand > 0 THEN  -- check quantity
+      UPDATE inventory SET quantity = quantity - 1
+         WHERE product = 'TENNIS RACKET';
+      INSERT INTO purchase_record
+         VALUES ('Tennis racket purchased', SYSDATE);
+   ELSE
+      INSERT INTO purchase_record
+         VALUES ('Out of tennis rackets', SYSDATE);
+   END IF;
+   COMMIT;
+END;
+
+-- From https://docs.oracle.com/cd/B10500_01/appdev.920/a96624/01_oview.htm#7106