Re: describe command
От | Charles Tassell |
---|---|
Тема | Re: describe command |
Дата | |
Msg-id | 4.2.0.58.20000410191005.00a57de0@mailer.isn.net обсуждение исходный текст |
Ответ на | describe command (Merrill Oveson <merrill@actiontarget.com>) |
Список | pgsql-general |
You can do this with \d tablename in psql. Or, the SQL commands to generate the same thing are: QUERY: SELECT a.attnum, a.attname, t.typname, a.attlen, a.atttypmod, a.attnotnull, a.atthasdef FROM pg_class c, pg_attribute a, pg_type t WHERE c.relname = 'tablename' and a.attnum > 0 and a.attrelid = c.oid and a.atttypid = t.oid ORDER BY attnum QUERY: SELECT viewname, definition FROM pg_views WHERE viewname like 'tablename' At 06:05 PM 4/10/00, Merrill Oveson wrote: >Postgresql: > >Oracle has a command "describe" > >e.g. > >"describe cars" or "desc cars" > >where cars is the name of the table. > >this command describes the attributes of a table. > >e.g. > >Name Null Type Constraint >------------------------------ >VIN char(20) Primary key >Make Not Null varchar(20) >Model varchar(20) > >Does Postgresql have anything similar? >I could find the command "describe" anywhere in the documentation. > >Merrill
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