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Editing and markup cleanup.

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This commit is contained in:
Thomas G. Lockhart
1998-09-22 15:48:03 +00:00
parent 748e300317
commit 52ca2ab268
23 changed files with 1222 additions and 926 deletions
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50
doc/src/sgml/ref/delete.sgml
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@@ -31,16 +31,10 @@
</TITLE>
<PARA>
</PARA>
<VARIABLELIST>
<VARLISTENTRY>
<TERM>
</TERM>
<LISTITEM>
<PARA>
<VARIABLELIST>
<VARLISTENTRY>
<TERM>
<ReturnValue><replaceable class="parameter">table</replaceable></ReturnValue>
<replaceable class="parameter">table</replaceable>
</TERM>
<LISTITEM>
<PARA>
@@ -50,7 +44,7 @@
</VARLISTENTRY>
<VARLISTENTRY>
<TERM>
<ReturnValue><replaceable class="parameter">condition</replaceable></ReturnValue>
<replaceable class="parameter">condition</replaceable>
</TERM>
<LISTITEM>
<PARA>
@@ -64,9 +58,6 @@
</LISTITEM>
</VARLISTENTRY>
</variablelist>
</LISTITEM>
</VARLISTENTRY>
</VARIABLELIST>
</REFSECT2>
<REFSECT2 ID="R2-SQL-DELETE-2">
@@ -81,6 +72,7 @@
<VARIABLELIST>
<VARLISTENTRY>
<TERM>
<replaceable>status</replaceable>
</TERM>
<LISTITEM>
<PARA>
@@ -97,7 +89,7 @@
</PARA>
<PARA>
If <replaceable class="parameter">count</replaceable> is 0,
no rows are deleted.
no rows were deleted.
</PARA>
</LISTITEM>
</VARLISTENTRY>
@@ -139,26 +131,27 @@
Remove all films but musicals:
</PARA>
<ProgramListing>
DELETE FROM films WHERE kind &lt;&gt; 'Musical';
DELETE FROM films WHERE kind &lt;&gt; 'Musical';
SELECT * FROM films;
SELECT * FROM films;
code |title |did| date_prod|kind |len
-----+-------------------------+---+----------+----------+------
UA501|West Side Story |105|1961-01-03|Musical | 02:32
TC901|The King and I |109|1956-08-11|Musical | 02:13
WD101|Bed Knobs and Broomsticks|111| |Musical | 01:57
code |title |did| date_prod|kind |len
-----+-------------------------+---+----------+----------+------
UA501|West Side Story |105|1961-01-03|Musical | 02:32
TC901|The King and I |109|1956-08-11|Musical | 02:13
WD101|Bed Knobs and Broomsticks|111| |Musical | 01:57
(3 rows)
</ProgramListing>
<para>
Clear the table films:
Clear the table <literal>films</literal>:
</para>
<programlisting>
DELETE FROM films;
DELETE FROM films;
SELECT * FROM films;
code|title|did|date_prod|kind|len
----+-----+---+---------+----+---
(0 rows)
SELECT * FROM films;
code|title|did|date_prod|kind|len
----+-----+---+---------+----+---
(0 rows)
</programlisting>
</REFSECT1>
@@ -177,14 +170,15 @@
SQL92
</TITLE>
<PARA>
SQL92 defines a different syntax for a positioned DELETE statement:
<acronym>SQL92</acronym> allows a positioned DELETE statement:
</PARA>
<synopsis>
DELETE FROM <replaceable class="parameter">table</replaceable> WHERE CURRENT OF <replaceable class="parameter">cursor</replaceable>
DELETE FROM <replaceable class="parameter">table</replaceable> WHERE CURRENT OF <replaceable class="parameter">cursor</replaceable>
</synopsis>
<para>
where <replaceable class="parameter">cursor</replaceable> identifies an open cursor.</para>
where <replaceable class="parameter">cursor</replaceable> identifies an open cursor. Interactive cursors in <productname>Postgres</productname> are read-only.
</para>
</refsect2>
</refsect1>
</REFENTRY>