2026-03-12 20:23:15

tpt/aot/demo9.sql

@@ -0,0 +1,19 @@
+-- Copyright 2018 Tanel Poder. All rights reserved. More info at http://tanelpoder.com
+-- Licensed under the Apache License, Version 2.0. See LICENSE.txt for terms & conditions.
+
+
+drop table a;
+drop table b;
+
+create table A(col11 number, col12 number);
+create table B(col21 number, col22 number);
+
+insert into a values (-3,-7);
+insert into a values (null,-1);
+insert into b values ( -7,-3);
+
+update a set col11 =
+    (select avg(b.col22) keep (dense_rank first order by (col22)) 
+     FROM b where b.col21= a.col12)
+/
+