DATEPART in PostgreSQL - Examples & AI Generator

Learning the correct DATEPART syntax in PostgreSQL can slow your workflow, especially if you often switch between SQL dialects. PostgreSQL doesn't use the DATEPART keyword—instead, it uses the EXTRACT function. Remembering these differences is time-consuming and error-prone, particularly under business deadlines. AI2sql gives you ready-made, production-grade DATEPART (EXTRACT) queries from plain English—no SQL memorization or coding required. Jump from idea to query in seconds, not hours.

DATEPART Syntax in PostgreSQL

PostgreSQL Equivalent of DATEPART

While T-SQL uses DATEPART, PostgreSQL uses EXTRACT(field FROM source) for the same functionality.

• Basic Syntax:

EXTRACT(field FROM timestamp)

• Common fields: year, month, day, hour, minute, second

DATEPART Examples You Can Generate Instantly

Business-Ready SQL Snippets

• 1. Extract Year from Order Date

SELECT EXTRACT(YEAR FROM order_date) AS order_year
FROM orders;

• 2. Find All Orders Placed in March

SELECT * FROM orders 
WHERE EXTRACT(MONTH FROM order_date) = 3;

• 3. Summarize Sales by Day

SELECT EXTRACT(DAY FROM sale_date) AS day, SUM(amount) AS total_sales
FROM sales
GROUP BY day
ORDER BY day;

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FAQs About DATEPART in PostgreSQL

Does PostgreSQL have a DATEPART function?

No. PostgreSQL uses the EXTRACT function instead. For example: EXTRACT(YEAR FROM timestamp).

What fields can I extract with EXTRACT?

You can extract year, month, day, hour, minute, second, quarter, and more—see PostgreSQL documentation for full details.

Is using AI SQL generator faster than writing by hand?

Yes. AI2sql produces production-ready DATEPART (EXTRACT) queries instantly—no manual coding or syntax lookup required.

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Learn more: Learn DATEPART