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Jakob Huber
postgres-lambda-diff
Commits
4c8a690d
Commit
4c8a690d
authored
20 years ago
by
Bruce Momjian
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More index item rewording.kUpdate FAQ.
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doc/FAQ
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doc/FAQ
doc/src/FAQ/FAQ.html
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4c8a690d
Frequently Asked Questions (FAQ) for PostgreSQL
Last updated: Sat Jan 29 23:0
4:53
EST 2005
Last updated: Sat Jan 29 23:0
6:02
EST 2005
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
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@@ -56,7 +56,7 @@
4.4) What is the maximum size for a row, a table, and a database?
4.5) How much database disk space is required to store data from a
typical text file?
4.6) Why are my queries slow? Why don't they
make
use
of
indexes?
4.6) Why are my queries slow? Why don't they use
my
indexes?
4.7) How do I see how the query optimizer is evaluating my query?
4.8) What is an R-tree index?
4.9) What is the Genetic Query Optimizer?
...
...
@@ -683,7 +683,7 @@ log_*
NULLs are stored as bitmaps, so they use very little space.
4.6) Why are my queries slow? Why don't they
make
use
of
indexes?
4.6) Why are my queries slow? Why don't they use
my
indexes?
Indexes are not automatically used by every query. Indexes are only
used if the table is larger than a minimum size, and the query selects
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doc/src/FAQ/FAQ.html
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alink=
"#0000ff"
>
<H1>
Frequently Asked Questions (FAQ) for PostgreSQL
</H1>
<P>
Last updated: Sat Jan 29 23:0
4:53
EST 2005
</P>
<P>
Last updated: Sat Jan 29 23:0
6:02
EST 2005
</P>
<P>
Current maintainer: Bruce Momjian (
<A
href=
"mailto:pgman@candle.pha.pa.us"
>
pgman@candle.pha.pa.us
</A>
)
<BR>
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@@ -83,7 +83,7 @@
<A
href=
"#4.5"
>
4.5
</A>
) How much database disk space is required
to store data from a typical text file?
<BR>
<A
href=
"#4.6"
>
4.6
</A>
) Why are my queries slow? Why don't they
make
use
of
indexes?
<BR>
use
my
indexes?
<BR>
<A
href=
"#4.7"
>
4.7
</A>
) How do I see how the query optimizer is
evaluating my query?
<BR>
<A
href=
"#4.8"
>
4.8
</A>
) What is an R-tree index?
<BR>
...
...
@@ -847,7 +847,7 @@
use very little space.
</P>
<H4><A
name=
"4.6"
>
4.6
</A>
) Why are my queries slow? Why don't they
make
use
of
indexes?
</H4>
use
my
indexes?
</H4>
<P>
Indexes are not automatically used by every query. Indexes are only
used if the table is larger than a minimum size, and the query
...
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