Re: Proper relational database?
От | Kevin Grittner |
---|---|
Тема | Re: Proper relational database? |
Дата | |
Msg-id | CACjxUsN9L06S=fqQA1GOxUvQ_OcyyCg2HtFef7Jswo3T1uE=4g@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: Proper relational database? (Guyren Howe <guyren@gmail.com>) |
Список | pgsql-general |
On Sat, Apr 23, 2016 at 1:53 AM, Guyren Howe <guyren@gmail.com> wrote: > On Apr 22, 2016, at 18:56 , <david@andl.org> <david@andl.org> wrote: > Why schema-on-demand? Can you explain what you mean by that? > > Something that is attractive, for beginners or perhaps when prototyping is > that you don't have to declare a table. You can just insert tuples into a > predicate whose name you provide and they go in and you've defined a > relation just by using it. test=# \d No relations found. test=# select * into people from (values (1,'Fred'), (2, 'Bob')) x(id, name); SELECT 2 test=# select * from people; id | name ----+------ 1 | Fred 2 | Bob (2 rows) test=# \d List of relations Schema | Name | Type | Owner --------+--------+-------+--------- public | people | table | kgrittn (1 row) -- Kevin Grittner EDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company
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