Re: [SQL] SQL-Query 2 get primary key

You may query pg_indexes as in:

select * from pg_indexes where tablename = 'test';

tablename|indexname|indexdef
---------+---------+-----------------------------------------------------------------------

test     |test_pkey|CREATE UNIQUE INDEX "test_pkey" ON "test" USING btree
("id" "int4_ops")
(1 row)



Marc Grimme ha scritto:

> Hi,
>
> if I create a table like this:
> CREATE TABLE test (
>    id decimal(3) primary key,
>    name varchar(32));
>
> how can I ask postgres which is the primary key from table test?
> I hope to get something like "id is the primary key from table test.".
> Any ideas
> Marc
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