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<?xml version="1.0" encoding="utf-8" ?>
<!DOCTYPE chapter SYSTEM "chapter.dtd">
<chapter>
<header>
<copyright>
<year>2002</year><year>2016</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
</legalnotice>
<title>Introduction</title>
<prepared>Ingela Anderton</prepared>
<responsible></responsible>
<docno></docno>
<approved></approved>
<checked></checked>
<date>2002-09-17</date>
<rev>A</rev>
<file>introduction.xml</file>
</header>
<section>
<title>Purpose</title>
<p>The purpose of the Erlang ODBC application is to provide the
programmer with an ODBC interface that has a Erlang/OTP touch and
feel. So that the programmer may concentrate on solving his/her
actual problem instead of struggling with pointers and memory
allocation which is not very relevant for Erlang. This user guide
will give you some information about technical issues and provide
some examples of how to use the Erlang ODBC interface.</p>
</section>
<section>
<title>Prerequisites</title>
<p>It is assumed that the reader is familiar with the Erlang
programming language, concepts of OTP and has a basic
understanding of relational databases and SQL.</p>
</section>
<section>
<title>About ODBC</title>
<p>Open Database Connectivity (ODBC) is a Microsoft standard for
accessing relational databases that has become widely used. The
ODBC standard provides a c-level application programming
interface (API) for database access. It uses Structured Query
Language (SQL) as its database access language.</p>
</section>
<section>
<title>About the Erlang ODBC application</title>
<p>Provides an Erlang interface to communicate with relational
SQL-databases. It is built on top of Microsofts ODBC interface and
therefore requires that you have an ODBC driver to the database
that you want to connect to. The Erlang ODBC application is designed
using the version 3.0 of the ODBC-standard, however using the option
<c>{scrollable_cursors, off} </c> for a connection has been known
to make it work for at least some 2.X drivers.</p>
</section>
</chapter>
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