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<title>Tutorial: Adding an Index with the Create Index Tool</title>
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<h1>Tutorial: Adding an Index with the Create Index Tool</h1>
<a name="BEGIN" id="BEGIN"></a>
<p><a id="sthref253" name="sthref253"></a>To create an index, use either the SQL&nbsp;Developer tool <a id="sthref254" name="sthref254"></a>Create Index or the DDL statement <a id="sthref255" name="sthref255"></a><code>CREATE</code> <code>INDEX</code>.</p>
<p>This tutorial shows how to use the Create Index tool to add an index to the <a id="sthref256" name="sthref256"></a><code>EVALUATIONS</code> table (created in <a href="tdddg_objects007.htm#BABEECGC">"Creating Tables with the CREATE TABLE Statement"</a>). The equivalent DDL statement is:</p>
<pre xml:space="preserve" class="oac_no_warn">
CREATE INDEX EVAL_JOB_IX
ON EVALUATIONS (JOB_ID ASC) NOPARALLEL;
</pre>
<a id="TDDDG201" name="TDDDG201"></a>
<p class="subhead2">To add an index to the EVALUATIONS table using the Create Index tool:</p>
<ol>
<li>
<p>On the Connections tab, expand <span class="bold">hr_conn</span>.</p>
<p>Under the <code>hr_conn</code> icon, a list of schema object types appears.</p>
</li>
<li>
<p>Expand <span class="bold">Tables</span>.</p>
<p>A list of tables appears, including <code>EVALUATIONS</code>.</p>
</li>
<li>
<p>Right-click <span class="bold">EVALUATIONS</span>.</p>
<p>A list of choices appears.</p>
</li>
<li>
<p>Select <span class="bold">Index</span>.</p>
<p>A list of choices appears.</p>
</li>
<li>
<p>Select <span class="bold">Create Index</span>.</p>
<p>The Create Index window opens.</p>
</li>
<li>
<p>For Schema, accept the default, <code>HR</code>.</p>
</li>
<li>
<p>For Name, type <code>EVAL_JOB_IX</code>.</p>
</li>
<li>
<p>Select the tab <span class="bold">Definition</span>.</p>
<p>The Definition pane shows the default values for index properties.</p>
</li>
<li>
<p>In the field labeled "Column Name or Expression:", type <code>JOB_ID</code>.</p>
<p>(For all other properties, accept the default values.)</p>
</li>
<li>
<p>Click <span class="bold">OK</span>.</p>
<p>Now the <code>EVALUATIONS</code> table has an index named <code>EVAL_JOB_IX</code> on the column <code>JOB_ID</code>.</p>
</li>
</ol>
<div class="helpinfonotealso">
<h2>Related Topics</h2>
<p><a href="javascript:open('http://www.oracle.com/pls/db112/lookup?id=SQLRF01209','newWindow').focus()"><span class="italic">Oracle Database SQL Language Reference</span></a></p>
<p><a href="tdddg_objects014.htm#BABHAGCH">Managing Indexes</a></p>
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