Yogi Yang 007 wrote:
Hello,
I am new to pgSQL. I would like to know if there is a way to do the
following using pure SQL:
1. Retrieve list of all Tables in a database
2. Retrieve list of all Functions, Triggers, Sequences, Views, etc.
3. Retrieve list of all Group Roles
4. Retrieve list of all Login Roles
5. Structure of a Table
most of that stuff can be fetched from the INFORMATION_SCHEMA, such as ..
select * from information_schema.tables where table_schema not in
('pg_catalog','information_schema');
select * from information_schema.columns where
table_schema='schemaname' and table_name='tablename';
note, * on both of these returns a lot of data, you may want to be more
selective, depending on just what infoyou need to know, especially about
the columns.
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