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<title>ARRAY_SET Function - SQL Notebook</title>
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<h1><code>ARRAY_SET</code> Function</h1>
  <p>Creates a new array by copying an existing array and replacing one of the elements. The existing array is not
  modified.</p>
  <h2>Syntax</h2><code>ARRAY_SET(<i>array</i>, <i>element-index</i>, <i>value</i>)</code><br>
  <h2>Parameters</h2>
  <ul class="args">
    <li><i>array</i>: blob<br>
    The existing array to copy.</li>
    <li><i>element-index</i>: integer<br>
    Zero-based index into the array, specifying which element to replace.</li>
    <li><i>value</i>: scalar<br>
    The replacement value.</li>
  </ul>
  <h2>Return Value</h2>The new array, with the element at index <i>element-index</i> replaced with <i>value</i>. If the
  index is out of range, then an error is raised.<br>
  <h2>Example</h2>
  <pre>DECLARE @a = ARRAY(111, 222, 333);<br>DECLARE @b = ARRAY_SET(@a, 2, 999);<br>PRINT @a;  <i>-- "[111, 222, 333]"</i><br>PRINT @b;  <i>-- "[111, 222, 999]"<br></i></pre>
  <h2>See Also</h2>
  <ul>
    <li>
      <a moz-do-not-send="true" href="array-func.html"><tt>ARRAY</tt> Function</a><br>
    </li>
  </ul>
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