2026-03-12 20:23:15

tpt/experiments/add_column_default_value.sql

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+-- 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 t;
+
+CREATE TABLE t (a int) TABLESPACE users;
+INSERT /*+ APPEND */ INTO t SELECT rownum FROM dba_source;
+COMMIT;
+--ALTER TABLE t ADD b INT DEFAULT 123 NOT NULL;
+
+PAUSE Hit enter to add column
+ALTER TABLE t ADD c VARCHAR2(100) DEFAULT 'taneltest' NOT NULL;
+PAUSE Hit enter to change default value
+ALTER TABLE t MODIFY c VARCHAR2(100) DEFAULT 'not testing anymore';
+
+