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diff --git a/db/docs/ref/am/stat.html b/db/docs/ref/am/stat.html new file mode 100644 index 000000000..3042ccfee --- /dev/null +++ b/db/docs/ref/am/stat.html @@ -0,0 +1,36 @@ +<!--$Id: stat.so,v 10.17 2000/12/18 21:05:14 bostic Exp $--> +<!--Copyright 1997, 1998, 1999, 2000 by Sleepycat Software, Inc.--> +<!--All rights reserved.--> +<html> +<head> +<title>Berkeley DB Reference Guide: Database statistics</title> +<meta name="description" content="Berkeley DB: An embedded database programmatic toolkit."> +<meta name="keywords" content="embedded,database,programmatic,toolkit,b+tree,btree,hash,hashing,transaction,transactions,locking,logging,access method,access methods,java,C,C++"> +</head> +<body bgcolor=white> + <a name="2"><!--meow--></a> +<table><tr valign=top> +<td><h3><dl><dt>Berkeley DB Reference Guide:<dd>Access Methods</dl></h3></td> +<td width="1%"><a href="../../ref/am/sync.html"><img src="../../images/prev.gif" alt="Prev"></a><a href="../../ref/toc.html"><img src="../../images/ref.gif" alt="Ref"></a><a href="../../ref/am/close.html"><img src="../../images/next.gif" alt="Next"></a> +</td></tr></table> +<p> +<h1 align=center>Database statistics</h1> +<p>The <a href="../../api_c/db_stat.html">DB->stat</a> function is the standard interface for obtaining database +statistics. Generally, <a href="../../api_c/db_stat.html">DB->stat</a> returns a set of statistics +about the underlying database, e.g., the number of key/data pairs in +the database, how the database was originally configured, and so on. +<p>There are two flags that you can set to customize the returned statistics: +<p><dl compact> +<p><dt><a href="../../api_c/db_stat.html#DB_CACHED_COUNTS">DB_CACHED_COUNTS</a><dd>Request an approximate key and key/data pair count. As obtaining an +exact count can be very performance intensive for large databases, +it is possible to request a previously cached count. Obviously, the +cached count is only an approximate count, and may be out-of-date. +<p><dt><a href="../../api_c/db_stat.html#DB_RECORDCOUNT">DB_RECORDCOUNT</a><dd>If the database is a Queue or Recno database, or a Btree database that +was configured so that it is possible to search it by logical record +number, return only a count of the records in the database. +</dl> +<table><tr><td><br></td><td width="1%"><a href="../../ref/am/sync.html"><img src="../../images/prev.gif" alt="Prev"></a><a href="../../ref/toc.html"><img src="../../images/ref.gif" alt="Ref"></a><a href="../../ref/am/close.html"><img src="../../images/next.gif" alt="Next"></a> +</td></tr></table> +<p><font size=1><a href="http://www.sleepycat.com">Copyright Sleepycat Software</a></font> +</body> +</html> |