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Она часто используется для выполнения операций с датами, таких как вычисление разницы между датами или сортировка дат.\r\n\r\nРассмотрим более подробно, как работает функция JULIANDAY:\r\n\r\n1. Сначала функция принимает дату и время в формате строки или в виде столбца с типом данных DATETIME или TIMESTAMP.\r\n\r\n2. Затем функция преобразует эту дату и время в число, представляющее количество дней и долей дня с начала эпохи Юлианского календаря. Начало эпохи Юлианского календаря обычно устанавливается на 1 января 4713 года до нашей эры.\r\n\r\n3. Результат, возвращаемый функцией JULIANDAY, может быть использован для выполнения различных операций с датами, таких как сравнение дат, вычисление разницы между датами, а также для сортировки дат в запросах SQL.\r\n\r\nПример использования функции JULIANDAY:\r\n\r\n```sql\r\nSELECT JULIANDAY('2022-12-31 23:59:59'); -- Вернет количество дней с начала эпохи Юлианского календаря до указанной даты и времени\r\n```\r\n\r\nТаким образом, функция JULIANDAY в SQL предоставляет удобный способ работы с датами, позволяя преобразовывать их в числовое значение для выполнения различных операций.\r\n\r\nНесколько дополнительных примеров использования функции JULIANDAY в SQL:\r\n\r\n1. Вычисление разницы между двумя датами в днях:\r\n\r\n```sql\r\nSELECT JULIANDAY('2022-12-31') - JULIANDAY('2022-01-01') AS days_diff;\r\n```\r\n\r\n2. Сравнение двух дат:\r\n\r\n```sql\r\nSELECT CASE\r\n WHEN JULIANDAY('2022-12-31') > JULIANDAY('2022-01-01') THEN 'Дата 1 позже даты 2'\r\n ELSE 'Дата 1 раньше или равна дате 2'\r\nEND AS date_comparison;\r\n```\r\n\r\n3. Сортировка дат в порядке возрастания:\r\n\r\n```sql\r\nSELECT date_column\r\nFROM table_name\r\nORDER BY JULIANDAY(date_column) ASC;\r\n```\r\n\r\n4. Нахождение даты через определенное количество дней:\r\n\r\n```sql\r\nSELECT DATE('2022-01-01', '+7 days') AS date_after_7_days;\r\n```\r\n\r\n5. Вычисление даты, отстоящей от текущей на определенное количество дней:\r\n\r\n```sql\r\nSELECT DATE('now', '+3 days') AS date_after_3_days;\r\n```\r\n\r\nЭти примеры демонстрируют различные способы использования функции JULIANDAY в SQL для работы с датами и временем. Она позволяет удобно оперировать датами, вычислять разницу между ними, сравнивать и сортировать их, а также выполнять другие операции, связанные с датами.","votes_up_count":1,"votes_down_count":0,"created_at":"2024-03-20T09:53:10.698Z","user_id":104929,"category_slug":"data-analytics"}],"relatedQuestions":[{"creator":{"id":583099,"email":"shade.mailbox@gmail.com","first_name":"Arthur","last_name":"Cheremisin","telegram":"","full_name":"Arthur Cheremisin","removed":false},"category":{"id":13,"title":"Аналитика данных","slug":"data-analytics","questions_count":219,"locale":"ru"},"tags":[{"id":1096,"slug":"analitika","name":"Аналитика"},{"id":1095,"slug":"data-analitika","name":"data-аналитика"}],"id":2699,"answers_count":1,"slug":"chto-takoe-ctr","state":"published","title":"что такое 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Она часто используется для выполнения операций с датами, таких как вычисление разницы между датами или сортировка дат.\r\n\r\nРассмотрим более подробно, как работает функция JULIANDAY:\r\n\r\n1. Сначала функция принимает дату и время в формате строки или в виде столбца с типом данных DATETIME или TIMESTAMP.\r\n\r\n2. Затем функция преобразует эту дату и время в число, представляющее количество дней и долей дня с начала эпохи Юлианского календаря. Начало эпохи Юлианского календаря обычно устанавливается на 1 января 4713 года до нашей эры.\r\n\r\n3. Результат, возвращаемый функцией JULIANDAY, может быть использован для выполнения различных операций с датами, таких как сравнение дат, вычисление разницы между датами, а также для сортировки дат в запросах SQL.\r\n\r\nПример использования функции JULIANDAY:\r\n\r\n```sql\r\nSELECT JULIANDAY('2022-12-31 23:59:59'); -- Вернет количество дней с начала эпохи Юлианского календаря до указанной даты и времени\r\n```\r\n\r\nТаким образом, функция JULIANDAY в SQL предоставляет удобный способ работы с датами, позволяя преобразовывать их в числовое значение для выполнения различных операций.\r\n\r\nНесколько дополнительных примеров использования функции JULIANDAY в SQL:\r\n\r\n1. Вычисление разницы между двумя датами в днях:\r\n\r\n```sql\r\nSELECT JULIANDAY('2022-12-31') - JULIANDAY('2022-01-01') AS days_diff;\r\n```\r\n\r\n2. Сравнение двух дат:\r\n\r\n```sql\r\nSELECT CASE\r\n WHEN JULIANDAY('2022-12-31') > JULIANDAY('2022-01-01') THEN 'Дата 1 позже даты 2'\r\n ELSE 'Дата 1 раньше или равна дате 2'\r\nEND AS date_comparison;\r\n```\r\n\r\n3. Сортировка дат в порядке возрастания:\r\n\r\n```sql\r\nSELECT date_column\r\nFROM table_name\r\nORDER BY JULIANDAY(date_column) ASC;\r\n```\r\n\r\n4. Нахождение даты через определенное количество дней:\r\n\r\n```sql\r\nSELECT DATE('2022-01-01', '+7 days') AS date_after_7_days;\r\n```\r\n\r\n5. Вычисление даты, отстоящей от текущей на определенное количество дней:\r\n\r\n```sql\r\nSELECT DATE('now', '+3 days') AS date_after_3_days;\r\n```\r\n\r\nЭти примеры демонстрируют различные способы использования функции JULIANDAY в SQL для работы с датами и временем. Она позволяет удобно оперировать датами, вычислять разницу между ними, сравнивать и сортировать их, а также выполнять другие операции, связанные с датами.","datePublished":"2024-03-20T09:53:10.698Z","upvoteCount":1,"author":{"@type":"Person","name":"Nikolai Gagarinov"},"url":"https://ru.hexlet.io/qna/data-analytics/questions/kak-rabotaet-funktsiya-julianday#answer-3399"}}}</script><div style="--container-size:var(--container-size-lg);margin-top:var(--mantine-spacing-xl);height:100%" class="m_7485cace mantine-Container-root" data-size="lg" data-strategy="block"><script type="application/ld+json">{"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"position":1,"@type":"ListItem","item":{"@id":"/qna","name":"Вопросы и ответы"}},{"position":2,"@type":"ListItem","item":{"@id":"/qna/data-analytics/questions","name":"Аналитика данных"}},{"position":3,"@type":"ListItem","item":{"@id":"/qna/data-analytics/questions/kak-rabotaet-funktsiya-julianday","name":"Как работает 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class="mantine-focus-auto m_b6d8b162 mantine-Text-root" data-inherit="true">2 года назад</p></div><div style="--group-gap:calc(0.25rem * var(--mantine-scale));--group-align:center;--group-justify:flex-start;--group-wrap:wrap" class="m_4081bf90 mantine-Group-root"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="tabler-icon tabler-icon-user "><path d="M8 7a4 4 0 1 0 8 0a4 4 0 0 0 -8 0"></path><path d="M6 21v-2a4 4 0 0 1 4 -4h4a4 4 0 0 1 4 4v2"></path></svg><p class="mantine-focus-auto m_b6d8b162 mantine-Text-root" data-inherit="true">Nikolai Gagarinov</p></div></div><div role="link" tabindex="0" style="cursor:pointer"><button style="display:block;width:100%" class="mantine-focus-auto m_87cf2631 mantine-UnstyledButton-root" type="button" aria-label="Присоединяйтесь к нашему Telegram-сообществу"><div 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style="--title-fw:var(--mantine-h2-font-weight);--title-lh:var(--mantine-h2-line-height);--title-fz:var(--mantine-h2-font-size);margin-block:var(--mantine-spacing-xl)" class="m_8a5d1357 mantine-Title-root" data-order="2">Ответы</h2><div style="margin-bottom:var(--mantine-spacing-xl);padding:var(--mantine-spacing-lg)" class="m_e615b15f mantine-Card-root m_1b7284a3 mantine-Paper-root" data-with-border="true" id="answer-3399"><div style="--group-gap:calc(1.125rem * var(--mantine-scale));--group-align:stretch;--group-justify:flex-start;--group-wrap:nowrap" class="m_4081bf90 mantine-Group-root"><div style="--stack-gap:var(--mantine-spacing-md);--stack-align:stretch;--stack-justify:flex-start;font-size:var(--mantine-font-size-h1);font-weight:lighter;text-align:center" class="m_6d731127 mantine-Stack-root">1<a style="color:inherit" class="mantine-focus-auto m_849cf0da m_b6d8b162 mantine-Text-root mantine-Anchor-root" data-underline="hover" href="/qna/data-analytics/questions/kak-rabotaet-funktsiya-julianday/answers/3399/vote"><div style="--ti-bg:transparent;--ti-color:var(--mantine-color-indigo-light-color);--ti-bd:calc(0.0625rem * var(--mantine-scale)) solid transparent;color:inherit" class="m_7341320d mantine-ThemeIcon-root" data-variant="transparent"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="tabler-icon tabler-icon-thumb-up "><path d="M7 11v8a1 1 0 0 1 -1 1h-2a1 1 0 0 1 -1 -1v-7a1 1 0 0 1 1 -1h3a4 4 0 0 0 4 -4v-1a2 2 0 0 1 4 0v5h3a2 2 0 0 1 2 2l-1 5a2 3 0 0 1 -2 2h-7a3 3 0 0 1 -3 -3"></path></svg></div></a><div style="--ti-bg:transparent;--ti-color:var(--mantine-color-indigo-light-color);--ti-bd:calc(0.0625rem * var(--mantine-scale)) solid transparent;color:inherit" class="m_7341320d mantine-ThemeIcon-root" data-variant="transparent"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="tabler-icon tabler-icon-check "><path d="M5 12l5 5l10 -10"></path></svg></div></div><div style="--stack-gap:var(--mantine-spacing-md);--stack-align:stretch;--stack-justify:flex-start;width:100%;min-width:0rem" class="m_6d731127 mantine-Stack-root"><div style="margin-bottom:auto" class="m_d08caa0 mantine-Typography-root"><p>Функция JULIANDAY в SQL используется для преобразования даты и времени в числовое значение, представляющее количество дней с начала эпохи Юлианского календаря. Она часто используется для выполнения операций с датами, таких как вычисление разницы между датами или сортировка дат.</p>
<p>Рассмотрим более подробно, как работает функция JULIANDAY:</p>
<ol>
<li>
<p>Сначала функция принимает дату и время в формате строки или в виде столбца с типом данных DATETIME или TIMESTAMP.</p>
</li>
<li>
<p>Затем функция преобразует эту дату и время в число, представляющее количество дней и долей дня с начала эпохи Юлианского календаря. Начало эпохи Юлианского календаря обычно устанавливается на 1 января 4713 года до нашей эры.</p>
</li>
<li>
<p>Результат, возвращаемый функцией JULIANDAY, может быть использован для выполнения различных операций с датами, таких как сравнение дат, вычисление разницы между датами, а также для сортировки дат в запросах SQL.</p>
</li>
</ol>
<p>Пример использования функции JULIANDAY:</p>
<div style="margin-bottom:var(--mantine-spacing-lg)" class="m_e597c321 mantine-CodeHighlight-codeHighlight" dir="ltr"><div class="m_be7e9c9c mantine-CodeHighlight-controls"><button style="--ai-bg:transparent;--ai-hover:transparent;--ai-color:inherit;--ai-bd:none" class="mantine-focus-auto mantine-active m_d498bab7 mantine-CodeHighlight-control m_8d3f4000 mantine-ActionIcon-root m_87cf2631 mantine-UnstyledButton-root" data-variant="none" type="button" aria-label="Copy code"><span class="m_8d3afb97 mantine-ActionIcon-icon"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M8 8m0 2a2 2 0 0 1 2 -2h8a2 2 0 0 1 2 2v8a2 2 0 0 1 -2 2h-8a2 2 0 0 1 -2 -2z"></path><path d="M16 8v-2a2 2 0 0 0 -2 -2h-8a2 2 0 0 0 -2 2v8a2 2 0 0 0 2 2h2"></path></svg></span></button></div><div style="--scrollarea-scrollbar-size:calc(0.25rem * var(--mantine-scale));--sa-corner-width:0px;--sa-corner-height:0px" class="m_f744fd40 mantine-CodeHighlight-scrollarea m_d57069b5 mantine-ScrollArea-root" dir="ltr"><div style="overflow-x:hidden;overflow-y:hidden;overscroll-behavior-inline:none" class="m_c0783ff9 mantine-ScrollArea-viewport" data-scrollbars="xy"><div class="m_b1336c6 mantine-ScrollArea-content"><pre class="m_2c47c4fd mantine-CodeHighlight-pre" style="padding:0"><code class="m_5caae6d3 mantine-CodeHighlight-code">SELECT JULIANDAY('2022-12-31 23:59:59'); -- Вернет количество дней с начала эпохи Юлианского календаря до указанной даты и времени</code></pre></div></div></div><button class="mantine-focus-auto m_c9378bc2 mantine-CodeHighlight-showCodeButton m_87cf2631 mantine-UnstyledButton-root" data-hidden="true" type="button">Expand code</button></div>
<p>Таким образом, функция JULIANDAY в SQL предоставляет удобный способ работы с датами, позволяя преобразовывать их в числовое значение для выполнения различных операций.</p>
<p>Несколько дополнительных примеров использования функции JULIANDAY в SQL:</p>
<ol>
<li>Вычисление разницы между двумя датами в днях:</li>
</ol>
<div style="margin-bottom:var(--mantine-spacing-lg)" class="m_e597c321 mantine-CodeHighlight-codeHighlight" dir="ltr"><div class="m_be7e9c9c mantine-CodeHighlight-controls"><button style="--ai-bg:transparent;--ai-hover:transparent;--ai-color:inherit;--ai-bd:none" class="mantine-focus-auto mantine-active m_d498bab7 mantine-CodeHighlight-control m_8d3f4000 mantine-ActionIcon-root m_87cf2631 mantine-UnstyledButton-root" data-variant="none" type="button" aria-label="Copy code"><span class="m_8d3afb97 mantine-ActionIcon-icon"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M8 8m0 2a2 2 0 0 1 2 -2h8a2 2 0 0 1 2 2v8a2 2 0 0 1 -2 2h-8a2 2 0 0 1 -2 -2z"></path><path d="M16 8v-2a2 2 0 0 0 -2 -2h-8a2 2 0 0 0 -2 2v8a2 2 0 0 0 2 2h2"></path></svg></span></button></div><div style="--scrollarea-scrollbar-size:calc(0.25rem * var(--mantine-scale));--sa-corner-width:0px;--sa-corner-height:0px" class="m_f744fd40 mantine-CodeHighlight-scrollarea m_d57069b5 mantine-ScrollArea-root" dir="ltr"><div style="overflow-x:hidden;overflow-y:hidden;overscroll-behavior-inline:none" class="m_c0783ff9 mantine-ScrollArea-viewport" data-scrollbars="xy"><div class="m_b1336c6 mantine-ScrollArea-content"><pre class="m_2c47c4fd mantine-CodeHighlight-pre" style="padding:0"><code class="m_5caae6d3 mantine-CodeHighlight-code">SELECT JULIANDAY('2022-12-31') - JULIANDAY('2022-01-01') AS days_diff;</code></pre></div></div></div><button class="mantine-focus-auto m_c9378bc2 mantine-CodeHighlight-showCodeButton m_87cf2631 mantine-UnstyledButton-root" data-hidden="true" type="button">Expand code</button></div>
<ol start="2">
<li>Сравнение двух дат:</li>
</ol>
<div style="margin-bottom:var(--mantine-spacing-lg)" class="m_e597c321 mantine-CodeHighlight-codeHighlight" dir="ltr"><div class="m_be7e9c9c mantine-CodeHighlight-controls"><button style="--ai-bg:transparent;--ai-hover:transparent;--ai-color:inherit;--ai-bd:none" class="mantine-focus-auto mantine-active m_d498bab7 mantine-CodeHighlight-control m_8d3f4000 mantine-ActionIcon-root m_87cf2631 mantine-UnstyledButton-root" data-variant="none" type="button" aria-label="Copy code"><span class="m_8d3afb97 mantine-ActionIcon-icon"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M8 8m0 2a2 2 0 0 1 2 -2h8a2 2 0 0 1 2 2v8a2 2 0 0 1 -2 2h-8a2 2 0 0 1 -2 -2z"></path><path d="M16 8v-2a2 2 0 0 0 -2 -2h-8a2 2 0 0 0 -2 2v8a2 2 0 0 0 2 2h2"></path></svg></span></button></div><div style="--scrollarea-scrollbar-size:calc(0.25rem * var(--mantine-scale));--sa-corner-width:0px;--sa-corner-height:0px" class="m_f744fd40 mantine-CodeHighlight-scrollarea m_d57069b5 mantine-ScrollArea-root" dir="ltr"><div style="overflow-x:hidden;overflow-y:hidden;overscroll-behavior-inline:none" class="m_c0783ff9 mantine-ScrollArea-viewport" data-scrollbars="xy"><div class="m_b1336c6 mantine-ScrollArea-content"><pre class="m_2c47c4fd mantine-CodeHighlight-pre" style="padding:0"><code class="m_5caae6d3 mantine-CodeHighlight-code">SELECT CASE
WHEN JULIANDAY('2022-12-31') > JULIANDAY('2022-01-01') THEN 'Дата 1 позже даты 2'
ELSE 'Дата 1 раньше или равна дате 2'
END AS date_comparison;</code></pre></div></div></div><button class="mantine-focus-auto m_c9378bc2 mantine-CodeHighlight-showCodeButton m_87cf2631 mantine-UnstyledButton-root" data-hidden="true" type="button">Expand code</button></div>
<ol start="3">
<li>Сортировка дат в порядке возрастания:</li>
</ol>
<div style="margin-bottom:var(--mantine-spacing-lg)" class="m_e597c321 mantine-CodeHighlight-codeHighlight" dir="ltr"><div class="m_be7e9c9c mantine-CodeHighlight-controls"><button style="--ai-bg:transparent;--ai-hover:transparent;--ai-color:inherit;--ai-bd:none" class="mantine-focus-auto mantine-active m_d498bab7 mantine-CodeHighlight-control m_8d3f4000 mantine-ActionIcon-root m_87cf2631 mantine-UnstyledButton-root" data-variant="none" type="button" aria-label="Copy code"><span class="m_8d3afb97 mantine-ActionIcon-icon"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M8 8m0 2a2 2 0 0 1 2 -2h8a2 2 0 0 1 2 2v8a2 2 0 0 1 -2 2h-8a2 2 0 0 1 -2 -2z"></path><path d="M16 8v-2a2 2 0 0 0 -2 -2h-8a2 2 0 0 0 -2 2v8a2 2 0 0 0 2 2h2"></path></svg></span></button></div><div style="--scrollarea-scrollbar-size:calc(0.25rem * var(--mantine-scale));--sa-corner-width:0px;--sa-corner-height:0px" class="m_f744fd40 mantine-CodeHighlight-scrollarea m_d57069b5 mantine-ScrollArea-root" dir="ltr"><div style="overflow-x:hidden;overflow-y:hidden;overscroll-behavior-inline:none" class="m_c0783ff9 mantine-ScrollArea-viewport" data-scrollbars="xy"><div class="m_b1336c6 mantine-ScrollArea-content"><pre class="m_2c47c4fd mantine-CodeHighlight-pre" style="padding:0"><code class="m_5caae6d3 mantine-CodeHighlight-code">SELECT date_column
FROM table_name
ORDER BY JULIANDAY(date_column) ASC;</code></pre></div></div></div><button class="mantine-focus-auto m_c9378bc2 mantine-CodeHighlight-showCodeButton m_87cf2631 mantine-UnstyledButton-root" data-hidden="true" type="button">Expand code</button></div>
<ol start="4">
<li>Нахождение даты через определенное количество дней:</li>
</ol>
<div style="margin-bottom:var(--mantine-spacing-lg)" class="m_e597c321 mantine-CodeHighlight-codeHighlight" dir="ltr"><div class="m_be7e9c9c mantine-CodeHighlight-controls"><button style="--ai-bg:transparent;--ai-hover:transparent;--ai-color:inherit;--ai-bd:none" class="mantine-focus-auto mantine-active m_d498bab7 mantine-CodeHighlight-control m_8d3f4000 mantine-ActionIcon-root m_87cf2631 mantine-UnstyledButton-root" data-variant="none" type="button" aria-label="Copy code"><span class="m_8d3afb97 mantine-ActionIcon-icon"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M8 8m0 2a2 2 0 0 1 2 -2h8a2 2 0 0 1 2 2v8a2 2 0 0 1 -2 2h-8a2 2 0 0 1 -2 -2z"></path><path d="M16 8v-2a2 2 0 0 0 -2 -2h-8a2 2 0 0 0 -2 2v8a2 2 0 0 0 2 2h2"></path></svg></span></button></div><div style="--scrollarea-scrollbar-size:calc(0.25rem * var(--mantine-scale));--sa-corner-width:0px;--sa-corner-height:0px" class="m_f744fd40 mantine-CodeHighlight-scrollarea m_d57069b5 mantine-ScrollArea-root" dir="ltr"><div style="overflow-x:hidden;overflow-y:hidden;overscroll-behavior-inline:none" class="m_c0783ff9 mantine-ScrollArea-viewport" data-scrollbars="xy"><div class="m_b1336c6 mantine-ScrollArea-content"><pre class="m_2c47c4fd mantine-CodeHighlight-pre" style="padding:0"><code class="m_5caae6d3 mantine-CodeHighlight-code">SELECT DATE('2022-01-01', '+7 days') AS date_after_7_days;</code></pre></div></div></div><button class="mantine-focus-auto m_c9378bc2 mantine-CodeHighlight-showCodeButton m_87cf2631 mantine-UnstyledButton-root" data-hidden="true" type="button">Expand code</button></div>
<ol start="5">
<li>Вычисление даты, отстоящей от текущей на определенное количество дней:</li>
</ol>
<div style="margin-bottom:var(--mantine-spacing-lg)" class="m_e597c321 mantine-CodeHighlight-codeHighlight" dir="ltr"><div class="m_be7e9c9c mantine-CodeHighlight-controls"><button style="--ai-bg:transparent;--ai-hover:transparent;--ai-color:inherit;--ai-bd:none" class="mantine-focus-auto mantine-active m_d498bab7 mantine-CodeHighlight-control m_8d3f4000 mantine-ActionIcon-root m_87cf2631 mantine-UnstyledButton-root" data-variant="none" type="button" aria-label="Copy code"><span class="m_8d3afb97 mantine-ActionIcon-icon"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M8 8m0 2a2 2 0 0 1 2 -2h8a2 2 0 0 1 2 2v8a2 2 0 0 1 -2 2h-8a2 2 0 0 1 -2 -2z"></path><path d="M16 8v-2a2 2 0 0 0 -2 -2h-8a2 2 0 0 0 -2 2v8a2 2 0 0 0 2 2h2"></path></svg></span></button></div><div style="--scrollarea-scrollbar-size:calc(0.25rem * var(--mantine-scale));--sa-corner-width:0px;--sa-corner-height:0px" class="m_f744fd40 mantine-CodeHighlight-scrollarea m_d57069b5 mantine-ScrollArea-root" dir="ltr"><div style="overflow-x:hidden;overflow-y:hidden;overscroll-behavior-inline:none" class="m_c0783ff9 mantine-ScrollArea-viewport" data-scrollbars="xy"><div class="m_b1336c6 mantine-ScrollArea-content"><pre class="m_2c47c4fd mantine-CodeHighlight-pre" style="padding:0"><code class="m_5caae6d3 mantine-CodeHighlight-code">SELECT DATE('now', '+3 days') AS date_after_3_days;</code></pre></div></div></div><button class="mantine-focus-auto m_c9378bc2 mantine-CodeHighlight-showCodeButton m_87cf2631 mantine-UnstyledButton-root" data-hidden="true" type="button">Expand code</button></div>
<p>Эти примеры демонстрируют различные способы использования функции JULIANDAY в SQL для работы с датами и временем. Она позволяет удобно оперировать датами, вычислять разницу между ними, сравнивать и сортировать их, а также выполнять другие операции, связанные с датами.</p></div><div class="m_3eebeb36 mantine-Divider-root" data-orientation="horizontal" role="separator"></div><div style="--group-gap:var(--mantine-spacing-md);--group-align:center;--group-justify:flex-start;--group-wrap:wrap;font-size:var(--mantine-font-size-sm)" class="m_4081bf90 mantine-Group-root"><div style="--group-gap:var(--mantine-spacing-xs);--group-align:center;--group-justify:flex-start;--group-wrap:wrap;margin-inline-start:auto" class="m_4081bf90 mantine-Group-root"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round" class="tabler-icon tabler-icon-calendar "><path d="M4 7a2 2 0 0 1 2 -2h12a2 2 0 0 1 2 2v12a2 2 0 0 1 -2 2h-12a2 2 0 0 1 -2 -2v-12"></path><path d="M16 3v4"></path><path d="M8 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