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92 lines
4.2 KiB
HTML
<!--$Id: db_class.so,v 10.23 2000/03/17 01:54:00 bostic Exp $-->
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<!--Copyright 1997, 1998, 1999, 2000 by Sleepycat Software, Inc.-->
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<!--All rights reserved.-->
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<html>
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<head>
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<title>Berkeley DB: Db</title>
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<meta name="description" content="Berkeley DB: An embedded database programmatic toolkit.">
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<meta name="keywords" content="embedded,database,programmatic,toolkit,b+tree,btree,hash,hashing,transaction,transactions,locking,logging,access method,access methods,java,C,C++">
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</head>
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<body bgcolor=white>
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<a name="2"><!--meow--></a>
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<table><tr valign=top>
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<td>
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<h1>Db</h1>
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</td>
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<td width="1%">
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<a href="../api_java/java_index.html"><img src="../images/api.gif" alt="API"></a><a href="../ref/toc.html"><img src="../images/ref.gif" alt="Ref"></a>
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</td></tr></table>
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<hr size=1 noshade>
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<tt>
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<h3><pre>
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import com.sleepycat.db.*;
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<p>
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public class Db extends Object
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{
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Db(DbEnv dbenv, int flags)
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throws DbException;
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...
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}
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</pre></h3>
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<h1>Description</h1>
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<p>This manual page describes the specific details of the Db class,
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which is the center of access method activity.
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<p>If no <b>dbenv</b> value is specified, the database is standalone, i.e.,
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it is not part of any Berkeley DB environment.
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<p>If a <b>dbenv</b> value is specified, the database is created within the
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specified Berkeley DB environment. The database access methods automatically
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make calls to the other subsystems in Berkeley DB based on the enclosing
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environment. For example, if the environment has been configured to use
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locking, then the access methods will automatically acquire the correct
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locks when reading and writing pages of the database.
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<p>The <b>flags</b> value must be set to 0 or by bitwise inclusively <b>OR</b>'ing together one or more
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of the following values.
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<p><dl compact>
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<p><dt><a name="Db.DB_XA_CREATE">Db.DB_XA_CREATE</a><dd>Instead of creating a standalone database, create a database intended to
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be accessed via applications running under a X/Open conformant Transaction
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Manager. The database will be opened in the environment specified by the
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OPENINFO parameter of the GROUPS section of the ubbconfig file. See the
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<a href="../ref/xa/intro.html">XA Resource Manager</a> chapter in the
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Reference Guide for more information.
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</dl>
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<h3>Class</h3>
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<a href="../api_java/db_class.html">Db</a>
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<h1>See Also</h1>
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<a href="../api_java/db_close.html">Db.close</a>,
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<a href="../api_java/db_cursor.html">Db.cursor</a>,
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<a href="../api_java/db_del.html">Db.del</a>,
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<a href="../api_java/db_fd.html">Db.fd</a>,
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<a href="../api_java/db_get.html">Db.get</a>,
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<a href="../api_java/db_get_byteswapped.html">Db.get_byteswapped</a>,
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<a href="../api_java/db_get_type.html">Db.get_type</a>,
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<a href="../api_java/db_join.html">Db.join</a>,
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<a href="../api_java/db_key_range.html">Db.key_range</a>,
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<a href="../api_java/db_open.html">Db.open</a>,
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<a href="../api_java/db_put.html">Db.put</a>,
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<a href="../api_java/db_remove.html">Db.remove</a>,
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<a href="../api_java/db_set_bt_minkey.html">Db.set_bt_minkey</a>,
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<a href="../api_java/db_set_cachesize.html">Db.set_cachesize</a>,
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<a href="../api_java/db_set_errcall.html">Db.set_errcall</a>,
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<a href="../api_java/db_set_errpfx.html">Db.set_errpfx</a>,
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<a href="../api_java/db_set_flags.html">Db.set_flags</a>,
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<a href="../api_java/db_set_h_ffactor.html">Db.set_h_ffactor</a>,
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<a href="../api_java/db_set_h_nelem.html">Db.set_h_nelem</a>,
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<a href="../api_java/db_set_lorder.html">Db.set_lorder</a>,
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<a href="../api_java/db_set_pagesize.html">Db.set_pagesize</a>,
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<a href="../api_java/db_set_q_extentsize.html">Db.set_q_extentsize</a>,
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<a href="../api_java/db_set_re_delim.html">Db.set_re_delim</a>,
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<a href="../api_java/db_set_re_len.html">Db.set_re_len</a>,
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<a href="../api_java/db_set_re_pad.html">Db.set_re_pad</a>,
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<a href="../api_java/db_set_re_source.html">Db.set_re_source</a>,
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<a href="../api_java/db_stat.html">Db.stat</a>,
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<a href="../api_java/db_sync.html">Db.sync</a>,
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<a href="../api_java/db_upgrade.html">Db.upgrade</a>
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and
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<a href="../api_java/db_verify.html">Db.verify</a>.
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</tt>
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<table><tr><td><br></td><td width="1%">
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<a href="../api_java/java_index.html"><img src="../images/api.gif" alt="API"></a><a href="../ref/toc.html"><img src="../images/ref.gif" alt="Ref"></a>
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</td></tr></table>
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<p><font size=1><a href="http://www.sleepycat.com">Copyright Sleepycat Software</a></font>
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</body>
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</html>
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