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Import BSDDB 4.7.25 (as of svn r89086)

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Zachary Ware
2017-09-04 13:40:25 -05:00
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<!--$Id: db_cursor.html 63573 2008-05-23 21:43:21Z trent.nelson $-->
<!--$Id: db_cursor.html 63573 2008-05-23 21:43:21Z trent.nelson $-->
<!--Copyright (c) 1997,2008 Oracle. All rights reserved.-->
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<html>
<head>
<title>Berkeley DB: db cursor</title>
<meta name="description" content="Berkeley DB: An embedded database programmatic toolkit.">
<meta name="keywords" content="embedded,database,programmatic,toolkit,btree,hash,hashing,transaction,transactions,locking,logging,access method,access methods,Java,C,C++">
</head>
<body bgcolor=white>
<table width="100%"><tr valign=top>
<td>
<b><i>db</i> <b>cursor</b></b>
</td>
<td align=right>
<a href="../api_tcl/api_tcl.html"><img src="../images/api.gif" alt="API"></a>
<a href="../ref/toc.html"><img src="../images/ref.gif" alt="Ref"></a></td>
</tr></table>
<hr size=1 noshade>
<tt>
<b><pre>db cursor
[-txn txnid]
</pre></b>
<b>Description(db cursor)</b>
<p>The <i>db</i> <b>cursor</b> command creates a database cursor. The returned
cursor handle is bound to a Tcl command of the form <b>dbN.cX</b>,
where X is an integer starting at 0 (for example, db0.c0 and db0.c1).
It is through this Tcl command that the script accesses the cursor
methods.</p>
<p>The options are as follows:</p>
<br>
<b>-txn txnid</b><ul compact><li>If the operation is part of an application-specified transaction, the
<b>txnid</b> parameter is a transaction handle returned from
<i>env</i> <b>txn</b>. If no transaction handle is specified, but the
operation occurs in a transactional
database,
the operation will be implicitly transaction protected.</ul>
<br>
<p>In the case of error, a Tcl error is thrown.</p>
</tt>
<table width="100%"><tr><td><br></td><td align=right>
<a href="../api_tcl/api_tcl.html"><img src="../images/api.gif" alt="API"></a><a href="../ref/toc.html"><img src="../images/ref.gif" alt="Ref"></a>
</td></tr></table>
<p><font size=1>Copyright (c) 1996,2008 Oracle. All rights reserved.</font>
</body>
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