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mirror of https://github.com/postgres/postgres.git synced 2025-12-19 17:02:53 +03:00

minor copy editing

This commit is contained in:
Peter Eisentraut
2001-03-24 23:03:26 +00:00
parent b420c47434
commit 0967057b5d
11 changed files with 27 additions and 26 deletions

View File

@@ -1,4 +1,4 @@
<!-- $Header: /cvsroot/pgsql/doc/src/sgml/queries.sgml,v 1.5 2001/02/15 04:10:54 tgl Exp $ -->
<!-- $Header: /cvsroot/pgsql/doc/src/sgml/queries.sgml,v 1.6 2001/03/24 23:03:26 petere Exp $ -->
<chapter id="queries">
<title>Queries</title>
@@ -146,7 +146,7 @@ FROM <replaceable>table_reference</replaceable> <optional>, <replaceable>table_r
<listitem>
<synopsis>
<replaceable>T1</replaceable> { <optional>INNER</optional> | { LEFT | RIGHT | FULL } <optional>OUTER</optional> } JOIN <replaceable>T2</replaceable> ON <replaceable>boolean expression</replaceable>
<replaceable>T1</replaceable> { <optional>INNER</optional> | { LEFT | RIGHT | FULL } <optional>OUTER</optional> } JOIN <replaceable>T2</replaceable> ON <replaceable>boolean_expression</replaceable>
<replaceable>T1</replaceable> { <optional>INNER</optional> | { LEFT | RIGHT | FULL } <optional>OUTER</optional> } JOIN <replaceable>T2</replaceable> USING ( <replaceable>join column list</replaceable> )
<replaceable>T1</replaceable> NATURAL { <optional>INNER</optional> | { LEFT | RIGHT | FULL } <optional>OUTER</optional> } JOIN <replaceable>T2</replaceable>
</synopsis>
@@ -403,9 +403,9 @@ FROM (SELECT * FROM T1) DT1, T2, T3
<para>
The syntax of the WHERE clause is
<synopsis>
WHERE <replaceable>search condition</replaceable>
WHERE <replaceable>search_condition</replaceable>
</synopsis>
where <replaceable>search condition</replaceable> is any value
where <replaceable>search_condition</replaceable> is any value
expression as defined in <xref linkend="sql-expressions"> that
returns a value of type <type>boolean</type>.
</para>
@@ -579,10 +579,11 @@ SELECT pid AS "Products",
<title>Select Lists</title>
<para>
The table expression in the <command>SELECT</command> command
As shown in the previous section,
the table expression in the <command>SELECT</command> command
constructs an intermediate virtual table by possibly combining
tables, views, eliminating rows, grouping, etc. This table is
finally passed on to processing by the select list. The select
finally passed on to processing by the <firstterm>select list</firstterm>. The select
list determines which <emphasis>columns</emphasis> of the
intermediate table are actually output. The simplest kind of select list
is <literal>*</literal> which emits all columns that the table