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<title>TRY/CATCH Statement - SQL Notebook</title>
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<h1><code>TRY/CATCH</code> Statement</h1>Executes the <span style="font-style: italic;">statement-to-try</span>
  statements until successful completion or until one of the statements throws an error. If an error is thrown, then
  the <span style="font-style: italic;">statement-if-error</span> statements are executed. The statements in the
  <code>CATCH</code> block may use the <a href="error-message-func.html"><code>ERROR_MESSAGE</code></a> function to
  access the thrown message.<br>
  <h2>Syntax</h2><tt>BEGIN TRY</tt><tt><br></tt> <tt>&nbsp;&nbsp;&nbsp; [<i>statement-to-try</i></tt><tt>]<br></tt>
  <tt>&nbsp;&nbsp;&nbsp; ...</tt><tt><br></tt> <tt>END TRY</tt><tt><br></tt> <tt>BEGIN CATCH</tt><tt><br></tt>
  <tt>&nbsp;&nbsp;&nbsp; [<i>statement-if-error</i></tt><tt>]<br></tt> <tt>&nbsp;&nbsp;&nbsp; ...</tt><tt><br></tt>
  <tt>END CATCH</tt><br>
  <h2>Parameters</h2>
  <ul class="args">
    <li>
      <i>statement-to-try</i>: statement<br>
      The statements to execute. These statements may <a href="throw-stmt.html"><code>THROW</code></a> an error,
      causing execution to divert to the <span style="font-style: italic;">statement-if-error</span> statements.
    </li>
    <li>
      <i>statement-if-error</i>: statement<br>
      The statements to execute if any <span style="font-style: italic;">statement-to-try</span> throws an error. These
      statements may use the <a href="error-message-func.html"><code>ERROR_MESSAGE</code></a> function to access the
      thrown message.
    </li>
  </ul>
  <h2>Example</h2>
  <pre><i>-- Prints "Foo".</i><br>BEGIN TRY<br>    THROW 'Foo';<br>END TRY<br>BEGIN CATCH<br>    PRINT ERROR_MESSAGE();<br>END CATCH</pre>
  <ul class="examples"></ul>
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