Re: 7.1. Overview (The SQL Language)
От | Robert Haas |
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Тема | Re: 7.1. Overview (The SQL Language) |
Дата | |
Msg-id | BANLkTinnLZxhLyjYBFePBDCtOKga17FS2A@mail.gmail.com обсуждение исходный текст |
Ответ на | 7.1. Overview (The SQL Language) (Grzegorz Szpetkowski <gszpetkowski@gmail.com>) |
Ответы |
Re: 7.1. Overview (The SQL Language)
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Список | pgsql-docs |
On Wed, May 11, 2011 at 3:38 PM, Grzegorz Szpetkowski <gszpetkowski@gmail.com> wrote: > http://www.postgresql.org/docs/9.0/static/queries-overview.html > > "Assuming that there is a table called table1, this command would > retrieve all rows and all columns from table1." > > Maybe it's worth adding: > > "Assuming that there is a table called table1, this command would > retrieve all rows and all columns (excluding system columns described > at Section 5.4) from table1." Since this is a basic SQL tutorial, we don't want to get too far down into the weeds, or people will get confused. The next sentence would need some thought, too: The select list specification <literal>*</literal> means all columns that the table expression happens to provide. Possibly we could add a footnote? -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company
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