[General] How could it work?

Suppose you have tables like this:
table_1 tmp_store tmp_article
+---------+----------+ +---------+----------+ +---------+----------+
| name | type | | name | type | | name | type |
+---------+----------+ +---------+----------+ +---------+----------+
| dat | date | | dat | date | | dat | date |
| store | char | | article | char | | store | char |
| article | char | | price | money | | price | money |
| price | money | | amount | smallint | | amount | smallint |
| amount | smallint | +---------+----------+ +---------+----------+
+---------+----------+

and an insert like this:
insert into table_1 values ( '08/04/2002', 'aldi', 'hmilch', 0.57, 3 );

Is it possible for each insert
1. verify if a table exists with the name of the (store|article)
if yes
a. insert the relevant data
if no
a. create a table (store|article) like (tmp_store|tmp_article)
b. insert the relevant data

I was reading about triggers and functions, but I havn't found an answer
how to create tables in triggers or in functions.

Markus

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