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Postgres FD Implementation
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Abuhujair Javed
Postgres FD Implementation
Commits
657d0044
Commit
657d0044
authored
Oct 13, 2001
by
Bruce Momjian
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Update FAQ.
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doc/FAQ
View file @
657d0044
Frequently Asked Questions (FAQ) for PostgreSQL
Frequently Asked Questions (FAQ) for PostgreSQL
Last updated:
Fri Oct 12 23:53:3
5 EDT 2001
Last updated:
Sat Oct 13 01:26:5
5 EDT 2001
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
...
@@ -791,10 +791,10 @@ BYTEA bytea variable-length byte array (null-safe)
...
@@ -791,10 +791,10 @@ BYTEA bytea variable-length byte array (null-safe)
by TOAST, so the space on disk might also be less than expected.
by TOAST, so the space on disk might also be less than expected.
CHAR() is best when storing strings that are usually the same length.
CHAR() is best when storing strings that are usually the same length.
VARCHAR() is best when storing variable-length strings
, but you want
VARCHAR() is best when storing variable-length strings
but it limits
to limit how long a string can be. TEXT is for strings of unlimited
how long a string can be. TEXT is for strings of unlimited length,
length, maximum 1 gigabyte. BYTEA is for storing binary data,
maximum 1 gigabyte. BYTEA is for storing binary data, particularly
particularly
values that include NULL bytes.
values that include NULL bytes.
4.16.1) How do I create a serial/auto-incrementing field?
4.16.1) How do I create a serial/auto-incrementing field?
...
...
doc/src/FAQ/FAQ.html
View file @
657d0044
...
@@ -12,7 +12,7 @@
...
@@ -12,7 +12,7 @@
alink=
"#0000FF"
>
alink=
"#0000FF"
>
<H1>
Frequently Asked Questions (FAQ) for PostgreSQL
</H1>
<H1>
Frequently Asked Questions (FAQ) for PostgreSQL
</H1>
<P>
Last updated:
Fri Oct 12 23:53:3
5 EDT 2001
</P>
<P>
Last updated:
Sat Oct 13 01:26:5
5 EDT 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>
...
@@ -1003,11 +1003,13 @@ BYTEA bytea variable-length byte array (null-safe)
...
@@ -1003,11 +1003,13 @@ BYTEA bytea variable-length byte array (null-safe)
stored out-of-line by
<SMALL>
TOAST
</SMALL>
, so the space on disk
stored out-of-line by
<SMALL>
TOAST
</SMALL>
, so the space on disk
might also be less than expected.
</P>
might also be less than expected.
</P>
<P>
CHAR() is best when storing strings that are usually the
<P><SMALL>
CHAR()
</SMALL>
is best when storing strings that are
same length. VARCHAR() is best when storing variable-length strings,
usually the same length.
<SMALL>
VARCHAR()
</SMALL>
is best when
but you want to limit how long a string can be. TEXT is for strings
storing variable-length strings but it limits how long a
of unlimited length, maximum 1 gigabyte. BYTEA is for storing
string can be.
<SMALL>
TEXT
</SMALL>
is for strings of unlimited
binary data, particularly values that include NULL bytes.
</P>
length, maximum 1 gigabyte.
<SMALL>
BYTEA
</SMALL>
is for storing
binary data, particularly values that include
<SMALL>
NULL
</SMALL>
bytes.
</P>
<H4><A
name=
"4.16.1"
>
4.16.1
</A>
) How do I create a
<H4><A
name=
"4.16.1"
>
4.16.1
</A>
) How do I create a
serial/auto-incrementing field?
</H4>
serial/auto-incrementing field?
</H4>
...
...
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