Library Version 12.1.6.1

Preface
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## Preface

Welcome to Berkeley DB (DB) 12c Release 1 (which provides library version 12.1.6.1). This book describes the DB Tcl API, including all classes, methods, and functions. As such, this document is intended for Tcl developers who are actively writing or maintaining applications that make use of DB databases.

## Conventions Used in this Book

The following typographical conventions are used within in this manual:

Structure names are represented in `monospaced font`, as are `method names`. For example: "`berkdb open()` is a method on a `DB` handle."

Variable or non-literal text is presented in italics. For example: "Go to your DB_INSTALL directory."

Program examples are displayed in a `monospaced font` on a shaded background. For example:

    db put
        -append
        [-partial {doff dlen}]
        [-txn txnid]
        data

    db put
        [-nooverwrite]
        [-partial {doff dlen}]
        [-txn txnid]
        key data

### Note

Finally, notes of interest are represented using a note block such as this.

## For More Information

Beyond this manual, you may also find the following sources of information useful when building a DB application:

- Getting Started with Transaction Processing for C

- Berkeley DB Getting Started with Replicated Applications for C

- Berkeley DB Programmer's Reference Guide

- Berkeley DB Installation and Build Guide

- Berkeley DB Getting Started with the SQL APIs

- Berkeley DB C API Reference Guide

To download the latest Berkeley DB documentation along with white papers and other collateral, visit http://www.oracle.com/technetwork/indexes/documentation/index.html.

For the latest version of the Oracle Berkeley DB downloads, visit http://www.oracle.com/technetwork/database/database-technologies/berkeleydb/downloads/index.html.

### Contact Us

You can post your comments and questions at the Oracle Technology (OTN) forum for Oracle Berkeley DB at: https://forums.oracle.com/forums/forum.jspa?forumID=271, or for Oracle Berkeley DB High Availability at: https://forums.oracle.com/forums/forum.jspa?forumID=272.

For sales or support information, email to: berkeleydb-info_us@oracle.com You can subscribe to a low-volume email announcement list for the Berkeley DB product family by sending email to: bdb-join@oss.oracle.com

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