diff --git a/doc/FAQ b/doc/FAQ index cff90e0aaed18cbdfa02c19438e95e5364c016d6..cb9bfbe20596d6626c5ddb1b63b37932550ff02e 100644 --- a/doc/FAQ +++ b/doc/FAQ @@ -335,11 +335,11 @@ Features PostgreSQL has most features present in large commercial - DBMS's, like transactions, subselects, triggers, views, and - sophisticated locking. We have some features they don't have, - like user-defined types, inheritance, rules, and multi-version - concurrency control to reduce lock contention. We don't have - foreign key referential integrity or outer joins, but are + DBMS's, like transactions, subselects, triggers, views, foreign + key referential integrity, and sophisticated locking. We have + some features they don't have, like user-defined types, + inheritance, rules, and multi-version concurrency control to + reduce lock contention. We don't have outer joins, but are working on them for our next release. Performance @@ -396,10 +396,10 @@ 2.1) Are there ODBC drivers for PostgreSQL? - There are two ODBC drivers available, PostODBC and OpenLink ODBC. + There are two ODBC drivers available, PsqlODBC and OpenLink ODBC. - PostODBC is included in the distribution. More information about it - can be gotten from: http://www.insightdist.com/psqlodbc + PsqlODBC is included in the distribution. More information about it + can be gotten from: ftp://ftp.postgresql.org/pub/odbc/index.html OpenLink ODBC can be gotten from http://www.openlinksw.com. It works with their standard ODBC client software so you'll have PostgreSQL @@ -410,6 +410,8 @@ commercial-quality support, but a freeware version will always be available. Questions to postgres95@openlink.co.uk. + See also the ODBC chapter of the Programmer's Guide. + 2.2) What tools are available for hooking PostgreSQL to Web pages? A nice introduction to Database-backed Web pages can be seen at: @@ -972,12 +974,9 @@ BYTEA bytea variable-length array of bytes 4.22) How do I create a column that will default to the current time? - This way always works: + Use now(): CREATE TABLE test (x int, modtime timestamp default now() ); - In releases 7.0 and later, you may use: - create table test (x int, modtime timestamp default 'now'); - 4.23) Why are my subqueries using IN so slow? Currently, we join subqueries to outer queries by sequential scanning diff --git a/doc/src/FAQ.html b/doc/src/FAQ.html index 619d729017a3bf4405a5b232920bcce1c8fb85b3..c118ccb0c3443051caef7cd6fdb7a83a66a1cfa4 100644 --- a/doc/src/FAQ.html +++ b/doc/src/FAQ.html @@ -434,10 +434,10 @@ reliability, support, and price.<P> <DD> PostgreSQL has most features present in large commercial DBMS's, like -transactions, subselects, triggers, views, and sophisticated locking. -We have some features they don't have, like user-defined types, -inheritance, rules, and multi-version concurrency control to reduce lock -contention. We don't have foreign key referential integrity or outer +transactions, subselects, triggers, views, foreign key referential +integrity, and sophisticated locking. We have some features they don't +have, like user-defined types, inheritance, rules, and multi-version +concurrency control to reduce lock contention. We don't have outer joins, but are working on them for our next release.<BR><BR> <DT> <B>Performance</B> @@ -506,11 +506,11 @@ in our BSD-style license stated above.<BR><BR> <H4><A NAME="2.1">2.1</A>) Are there ODBC drivers for PostgreSQL?</H4><P> -There are two ODBC drivers available, PostODBC and OpenLink ODBC.<P> +There are two ODBC drivers available, PsqlODBC and OpenLink ODBC.<P> -PostODBC is included in the distribution. More information about it can -be gotten from: <A HREF="http://www.insightdist.com/psqlodbc"> -http://www.insightdist.com/psqlodbc</A><P> +PsqlODBC is included in the distribution. More information about it can +be gotten from: <A HREF="ftp://ftp.postgresql.org/pub/odbc/index.html"> +ftp://ftp.postgresql.org/pub/odbc/index.html</A><P> OpenLink ODBC can be gotten from <A HREF="http://www.openlinksw.com/"> http://www.openlinksw.com</A>. It works with their standard ODBC client @@ -522,6 +522,8 @@ commercial-quality support, but a freeware version will always be available. Questions to <A HREF="mailto:postgres95@openlink.co.uk">postgres95@openlink.co.uk</A>.<P> +See also the <A HREF="http://www.postgresql.org/docs/programmer/odbc.htm"> +ODBC chapter of the Programmer's Guide</A>.<P> <H4><A NAME="2.2">2.2</A>) What tools are available for hooking @@ -1054,7 +1056,7 @@ you need to dump and reload the database, you need to use <I>pg_dump's -o</I> option or <SMALL>COPY WITH OIDS</SMALL> option to preserve the oids.<P> For more details, see Bruce Momjian's chapter on -<A HREF="http://www.postgresql.org/docs/aw_pgsql_book/node74.html">Numbering Rows.</A> +<A HREF="http://www.postgresql.org/docs/aw_pgsql_book">Numbering Rows.</A> <H4><A NAME="4.16.2">4.16.2</A>) How do I get the back the generated SERIAL value after an insert?</H4><P> Probably the simplest approach is to to retrieve the next SERIAL value from the sequence object with the <I>nextval()</I> function <I>before</I> inserting and then insert it explicitly. Using the example table in <A HREF="#4.16.1">4.16.1</A>, that might look like this: