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Proofreading adjustments for first two parts of documentation (Tutorial

Browse Source 
and SQL).
This commit is contained in:
Bruce Momjian
2009-04-27 16:27:36 +00:00
parent 23a9ac618e
commit ba36c48e39
39 changed files with 1352 additions and 1271 deletions
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8
doc/src/sgml/arch-dev.sgml
View File

@@ -1,4 +1,4 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/arch-dev.sgml,v 2.31 2007/12/12 06:23:27 tgl Exp $ -->
<!-- $PostgreSQL: pgsql/doc/src/sgml/arch-dev.sgml,v 2.32 2009/04/27 16:27:35 momjian Exp $ -->
<chapter id="overview">
<title>Overview of PostgreSQL Internals</title>
@@ -67,7 +67,7 @@
One application of the rewrite system is in the realization of
<firstterm>views</firstterm>.
Whenever a query against a view
(i.e. a <firstterm>virtual table</firstterm>) is made,
(i.e., a <firstterm>virtual table</firstterm>) is made,
the rewrite system rewrites the user's query to
a query that accesses the <firstterm>base tables</firstterm> given in
the <firstterm>view definition</firstterm> instead.
@@ -145,7 +145,7 @@
<para>
Once a connection is established the client process can send a query
to the <firstterm>backend</firstterm> (server). The query is transmitted using plain text,
i.e. there is no parsing done in the <firstterm>frontend</firstterm> (client). The
i.e., there is no parsing done in the <firstterm>frontend</firstterm> (client). The
server parses the query, creates an <firstterm>execution plan</firstterm>,
executes the plan and returns the retrieved rows to the client
by transmitting them over the established connection.
@@ -442,7 +442,7 @@
relations, a near-exhaustive search is conducted to find the best
join sequence. The planner preferentially considers joins between any
two relations for which there exist a corresponding join clause in the
<literal>WHERE</literal> qualification (i.e. for
<literal>WHERE</literal> qualification (i.e., for
which a restriction like <literal>where rel1.attr1=rel2.attr2</literal>
exists). Join pairs with no join clause are considered only when there
is no other choice, that is, a particular relation has no available