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Update FAQ.

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Bruce Momjian 2001-12-05 05:38:51 +00:00
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doc/FAQ
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Frequently Asked Questions (FAQ) for PostgreSQL Frequently Asked Questions (FAQ) for PostgreSQL
Last updated: Wed Dec 5 00:33:46 EST 2001 Last updated: Wed Dec 5 00:38:51 EST 2001
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us) Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
@ -374,9 +374,8 @@
monthly and one-time expenses that are required to keep it going. If monthly and one-time expenses that are required to keep it going. If
you or your company has money it can donate to help fund this effort, you or your company has money it can donate to help fund this effort,
please go to the following URL and make a donation: please go to the following URL and make a donation:
http://www.pgsql.com/pg_goodies http://www.pgsql.com/pg_goodies
Although the web page mentions PostgreSQL, Inc, the "contributions" Although the web page mentions PostgreSQL, Inc, the "contributions"
item is solely to support the PostgreSQL project and does not fund any item is solely to support the PostgreSQL project and does not fund any
specific company. If you prefer, you can also send a check to the specific company. If you prefer, you can also send a check to the
@ -655,13 +654,13 @@
4.6) What is the maximum size for a row, table, database? 4.6) What is the maximum size for a row, table, database?
These are the limits: These are the limits:
Maximum size for a database? unlimited (60GB databases exist) Maximum size for a database? unlimited (60GB databases exist)
Maximum size for a table? 16 TB Maximum size for a table? 16 TB
Maximum size for a row? unlimited in 7.1 and later Maximum size for a row? unlimited in 7.1 and later
Maximum size for a field? 1GB in 7.1 and later Maximum size for a field? 1GB in 7.1 and later
Maximum number of rows in a table? unlimited Maximum number of rows in a table? unlimited
Maximum number of columns in a table? 250-1600 depending on column types Maximum number of columns in a table? 250-1600 depending on column types
Maximum number of indexes on a table? unlimited Maximum number of indexes on a table? unlimited
Of course, these are not actually unlimited, but limited to available Of course, these are not actually unlimited, but limited to available
disk space and memory/swap space. Performance may suffer when these disk space and memory/swap space. Performance may suffer when these

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doc/src/FAQ/FAQ.html
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 3.2//EN"> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 3.2//EN">
<!-- <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 3.2//EN"> -->
<HTML> <HTML>
<HEAD> <HEAD>
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alink="#0000FF"> alink="#0000FF">
<H1>Frequently Asked Questions (FAQ) for PostgreSQL</H1> <H1>Frequently Asked Questions (FAQ) for PostgreSQL</H1>
<P>Last updated: Wed Dec 5 00:33:46 EST 2001</P> <P>Last updated: Wed Dec 5 00:38:51 EST 2001</P>
<P>Current maintainer: Bruce Momjian (<A href= <P>Current maintainer: Bruce Momjian (<A href=
"mailto:pgman@candle.pha.pa.us">pgman@candle.pha.pa.us</A>)<BR> "mailto:pgman@candle.pha.pa.us">pgman@candle.pha.pa.us</A>)<BR>
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you or your company has money it can donate to help fund this effort, you or your company has money it can donate to help fund this effort,
please go to the following URL and make a donation: please go to the following URL and make a donation:
<UL>
<P><a href="http://www.pgsql.com/pg_goodies">http://www.pgsql.com/pg_goodies</a> <P><a href="http://www.pgsql.com/pg_goodies">http://www.pgsql.com/pg_goodies</a>
</UL>
<P>Although the web page mentions PostgreSQL, Inc, the "contributions" item <P>Although the web page mentions PostgreSQL, Inc, the "contributions" item
is solely to support the PostgreSQL project and does not fund any is solely to support the PostgreSQL project and does not fund any
specific company. If you prefer, you can also send a check to the specific company. If you prefer, you can also send a check to the
@ -846,13 +847,13 @@
<P>These are the limits:</P> <P>These are the limits:</P>
<PRE> <PRE>
Maximum size for a database? unlimited (60GB databases exist) Maximum size for a database? unlimited (60GB databases exist)
Maximum size for a table? 16 TB Maximum size for a table? 16 TB
Maximum size for a row? unlimited in 7.1 and later Maximum size for a row? unlimited in 7.1 and later
Maximum size for a field? 1GB in 7.1 and later Maximum size for a field? 1GB in 7.1 and later
Maximum number of rows in a table? unlimited Maximum number of rows in a table? unlimited
Maximum number of columns in a table? 250-1600 depending on column types Maximum number of columns in a table? 250-1600 depending on column types
Maximum number of indexes on a table? unlimited Maximum number of indexes on a table? unlimited
</PRE> </PRE>
Of course, these are not actually unlimited, but limited to Of course, these are not actually unlimited, but limited to
available disk space and memory/swap space. Performance may suffer available disk space and memory/swap space. Performance may suffer
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</PRE> </PRE>
<H4><A href="#4.25">4.25</A>) How do I perform queries <H4><A href="#4.25">4.25</A>) How do I perform queries
using multiple databases?<H4> using multiple databases?</H4>
<P>There is no way to query any database except the current one. <P>There is no way to query any database except the current one.
Because PostgreSQL loads database-specific system catalogs, it is Because PostgreSQL loads database-specific system catalogs, it is