Create 6-using-builtin-domains.sql

Author: uschwinn

data-platform/core-converged-db/database-23c/sql-domains/6-using-builtin-domains.sql

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+REM script for 23c: 6-using-builtin-domains.sql
+REM Oracle provides built-in domains you can use directly on table columns.
+
+-- query ALL_DOMAINS and filter on SYS
+select name from all_domains where owner='SYS';
+
+-- Let's investigate the domain EMAIL_D
+
+set long 1000
+set longc 1000
+select dbms_metadata.get_ddl('SQL_DOMAIN', 'EMAIL_D','SYS') domain_ddl from dual;
+
+-- Now let's re-create the table PERSON. 
+-- Please keep in mind that we need to adjust the length of the column P_EMAIL to 4000 - otherwise you will receive the following error:ORA-11517: the column data type does not match the domain column
+
+drop table person;
+
+create table person     
+( p_id number(5),
+  p_name varchar2(50),
+  p_sal number,
+  p_email varchar2(4000) domain EMAIL_D
+      )
+annotations (display 'person_table');
+
+--let's insert valid and invalid data
+
+insert into person values (1,'Bold',3000,null);
+
+insert into person values (1,'Schulte',1000, '[email protected]');
+
+insert into person values (1,'Walter',1000,'twalter@t_online.de');