postgres example

[QdlatY]

"Mark McEahern" <marklists at mceahern.com> wrote in 
news:mailman.1010866877.18040.python-list at python.org:

> # create the db
> $ createdb testdb
> 
> # create a table
> $ psql -c "create table foo (name varchar(100));" testdb
> 
> # insert a record
> $ psql -c "insert into foo values ('test');" testdb
> 
> # start python
> $ python
> 
> # import PgSQL
>>>> from pyPgSQL import PgSQL
> 
> # get a connection
>>>> conn = PgSQL.Connection("dbname=testdb")
> 
> # get a cursor
>>>> cursor = conn.cursor()
> 
> # get record from foo
>>>> sql = "select * from foo;" cursor.execute(sql) cursor.fetchone()
> ['test']

Thanks for this example, but one thing, i used postgres much in my past, 
but i've never user "cursors" what is this ?

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