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Update reference documentation on may/can/might:

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Standard English uses "may", "can", and "might" in different ways:

        may - permission, "You may borrow my rake."

        can - ability, "I can lift that log."

        might - possibility, "It might rain today."

Unfortunately, in conversational English, their use is often mixed, as
in, "You may use this variable to do X", when in fact, "can" is a better
choice.  Similarly, "It may crash" is better stated, "It might crash".
This commit is contained in:
Bruce Momjian
2007-01-31 23:26:05 +00:00
parent bc799fab2b
commit e81c138e18
71 changed files with 301 additions and 301 deletions
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6
doc/src/sgml/ref/update.sgml
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@@ -1,5 +1,5 @@
<!--
$PostgreSQL: pgsql/doc/src/sgml/ref/update.sgml,v 1.41 2006/09/16 00:30:20 momjian Exp $
$PostgreSQL: pgsql/doc/src/sgml/ref/update.sgml,v 1.42 2007/01/31 23:26:04 momjian Exp $
PostgreSQL documentation
-->
@@ -117,7 +117,7 @@ UPDATE [ ONLY ] <replaceable class="PARAMETER">table</replaceable> [ [ AS ] <rep
<term><replaceable class="PARAMETER">expression</replaceable></term>
<listitem>
<para>
An expression to assign to the column. The expression may use the
An expression to assign to the column. The expression can use the
old values of this and other columns in the table.
</para>
</listitem>
@@ -165,7 +165,7 @@ UPDATE [ ONLY ] <replaceable class="PARAMETER">table</replaceable> [ [ AS ] <rep
<listitem>
<para>
An expression to be computed and returned by the <command>UPDATE</>
command after each row is updated. The expression may use any
command after each row is updated. The expression can use any
column names of the <replaceable class="PARAMETER">table</replaceable>
or table(s) listed in <literal>FROM</>.
Write <literal>*</> to return all columns.