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class="breadcrumbs__link" itemprop="item" href="/awSQL/category/classes"><span itemprop="name">Classes</span></a><meta itemprop="position" content="1"></li><li itemscope="" itemprop="itemListElement" itemtype="https://schema.org/ListItem" class="breadcrumbs__item breadcrumbs__item--active"><span class="breadcrumbs__link" itemprop="name">Update</span><meta itemprop="position" content="2"></li></ul></nav><div class="tocCollapsible_ETCw theme-doc-toc-mobile tocMobile_ITEo"><button type="button" class="clean-btn tocCollapsibleButton_TO0P">On this page</button></div><div class="theme-doc-markdown markdown"><header><h1>Update</h1></header>
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<p>Executes a query to update data in a table.</p>
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<div class="theme-admonition theme-admonition-warning admonition_xJq3 alert alert--warning"><div class="admonitionHeading_Gvgb"><span class="admonitionIcon_Rf37"><svg viewBox="0 0 16 16"><path fill-rule="evenodd" d="M8.893 1.5c-.183-.31-.52-.5-.887-.5s-.703.19-.886.5L.138 13.499a.98.98 0 0 0 0 1.001c.193.31.53.501.886.501h13.964c.367 0 .704-.19.877-.5a1.03 1.03 0 0 0 .01-1.002L8.893 1.5zm.133 11.497H6.987v-2.003h2.039v2.003zm0-3.004H6.987V5.987h2.039v4.006z"></path></svg></span>Possible Crash</div><div class="admonitionContent_BuS1"><p>To prevent accidental updates on all rows, this operation will <strong>throw an error</strong> when calling <a href="#execute">execute()</a> if no <a href="#where">where()</a> clause is defined.</p><p>To explicitly allow updates on all rows, use <a href="#force">force()</a>.</p></div></div>
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<hr>
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<h2 class="anchor anchorWithStickyNavbar_LWe7" id="methods">Methods<a href="#methods" class="hash-link" aria-label="Direct link to Methods" title="Direct link to Methods"></a></h2>
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<hr>
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<h3 class="anchor anchorWithStickyNavbar_LWe7" id="data">data()<a href="#data" class="hash-link" aria-label="Direct link to data()" title="Direct link to data()"></a></h3>
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<p>→ (<code>object</code> = <strong>Object</strong>) → <code>this</code></p>
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<p>Updates all matching rows with the provided data.</p>
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<p><strong>Parameters</strong></p>
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<table><thead><tr><th>Parameter</th><th>Type</th><th>Description</th></tr></thead><tbody><tr><td><code>object</code></td><td><strong>Object</strong></td><td>An object where keys represent column names and values represent the new data.</td></tr></tbody></table>
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<p><strong>Returns</strong></p>
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<p>→ <code>this</code></p>
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<hr>
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<h3 class="anchor anchorWithStickyNavbar_LWe7" id="selectdatabase">selectDatabase()<a href="#selectdatabase" class="hash-link" aria-label="Direct link to selectDatabase()" title="Direct link to selectDatabase()"></a></h3>
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<p>→ (<code>database</code> = <strong>String</strong>) → <code>this</code></p>
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<p>Selects a different database for the query.</p>
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<p><strong>Parameters</strong></p>
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<table><thead><tr><th>Parameter</th><th>Type</th><th>Description</th></tr></thead><tbody><tr><td><code>database</code></td><td><strong>String</strong></td><td>The name of the database to use for the update.</td></tr></tbody></table>
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<p><strong>Returns</strong></p>
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<p>→ <code>this</code></p>
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<hr>
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<h3 class="anchor anchorWithStickyNavbar_LWe7" id="force">force()<a href="#force" class="hash-link" aria-label="Direct link to force()" title="Direct link to force()"></a></h3>
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<p>→ () → <code>this</code></p>
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<p>Allows updates on <strong>all rows</strong> in the table.</p>
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<p><strong>Returns</strong></p>
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<p>→ <code>this</code></p>
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<hr>
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<h3 class="anchor anchorWithStickyNavbar_LWe7" id="where">where()<a href="#where" class="hash-link" aria-label="Direct link to where()" title="Direct link to where()"></a></h3>
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<p>→ (<code>string</code> = <strong>String</strong>, <code>values</code> = <strong>Array</strong><<strong>any</strong>>) → <code>this</code></p>
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<p>Adds a <code>WHERE</code> clause to filter the update query.</p>
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<ul>
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<li>Use <code>?</code> as placeholders in the condition string to prevent SQL injection.</li>
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</ul>
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<p><strong>Parameters</strong></p>
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<table><thead><tr><th>Parameter</th><th>Type</th><th>Description</th></tr></thead><tbody><tr><td><code>string</code></td><td><strong>String</strong></td><td>The <code>WHERE</code> clause with <code>?</code> placeholders.</td></tr><tr><td><code>values</code></td><td><strong>Array</strong><<strong>any</strong>></td><td>An arrray of values replacing the placeholders in <em>left-to-right</em> order.</td></tr></tbody></table>
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<p><strong>Returns</strong></p>
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<p>→ <code>this</code></p>
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<hr>
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<h3 class="anchor anchorWithStickyNavbar_LWe7" id="execute">execute()<a href="#execute" class="hash-link" aria-label="Direct link to execute()" title="Direct link to execute()"></a></h3>
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<p><code>async</code> → () → <a href="/awSQL/typedefs/okpacket">OkPacket</a></p>
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<p>Executes the prepared update query.</p>
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<p><strong>Returns</strong></p>
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<p>→ <a href="/awSQL/typedefs/okpacket">OkPacket</a></p>
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<hr></div></article><nav class="pagination-nav docusaurus-mt-lg" aria-label="Docs pages"><a class="pagination-nav__link pagination-nav__link--prev" href="/awSQL/classes/delete"><div class="pagination-nav__sublabel">Previous</div><div class="pagination-nav__label">Delete</div></a><a class="pagination-nav__link pagination-nav__link--next" href="/awSQL/classes/structure"><div class="pagination-nav__sublabel">Next</div><div class="pagination-nav__label">Structure</div></a></nav></div></div><div class="col col--3"><div class="tableOfContents_bqdL thin-scrollbar theme-doc-toc-desktop"><ul class="table-of-contents table-of-contents__left-border"><li><a href="#methods" class="table-of-contents__link toc-highlight">Methods</a><ul><li><a href="#data" class="table-of-contents__link toc-highlight">data()</a></li><li><a href="#selectdatabase" class="table-of-contents__link toc-highlight">selectDatabase()</a></li><li><a href="#force" class="table-of-contents__link toc-highlight">force()</a></li><li><a href="#where" class="table-of-contents__link toc-highlight">where()</a></li><li><a href="#execute" class="table-of-contents__link toc-highlight">execute()</a></li></ul></li></ul></div></div></div></div></main></div></div></div><footer class="footer footer--dark"><div class="container container-fluid"><div class="footer__bottom text--center"><div class="footer__copyright">Copyright © 2025 awSQL by Sam</div></div></div></footer></div>
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