Question: What do
I query to get the "alter table" statements to display the
foreign key DDL? I want a dictionary query to display
all foreign keys for all tables. How do I generate a
display of the foreign keys? I do not wish to use
dbms_metadata.
Answer: To see all foreign key DDL
you can run this simple SQL statement:
select
dbms_metadata.get_dependent_ddl('REF_CONSTRAINT',
table_name)
from
user_tables
where
exists
(select 1
from
user_constraints
where
table_name = t.table_name
and
constraint_type = 'R');
This will generate the alter table statements for
all tables with foreign keys.
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