http://pemako.cn/tags/postgresql/ Recent content in Postgresql on pemako http://pemako.cn/images/papermod-cover.png http://pemako.cn/images/papermod-cover.png Hugo -- 0.146.6 en Thu, 09 Apr 2026 20:00:00 +0800 http://pemako.cn/posts/postgresql/ Thu, 09 Apr 2026 20:00:00 +0800 http://pemako.cn/posts/postgresql/ <h2 id="basic-tutorial">Basic Tutorial</h2> <h3 id="section-1-querying-data">Section 1. Querying Data</h3> <ul> <li><a href="https://neon.com/postgresql/postgresql-tutorial/postgresql-select/" title="PostgreSQL SELECT">Select</a> – show you how to query data from a single table.</li> <li><a href="https://neon.com/postgresql/postgresql-tutorial/postgresql-column-alias/">Column aliases</a> – learn how to assign temporary names to columns or expressions within a query.</li> <li><a href="https://neon.com/postgresql/postgresql-tutorial/postgresql-order-by/" title="PostgreSQL ORDER BY">Order By</a> – guide you on how to sort the result set returned by a query.</li> <li><a href="https://neon.com/postgresql/postgresql-tutorial/postgresql-select-distinct/" title="PostgreSQL SELECT DISTINCT">Select Distinct</a> – show you how to remove duplicate rows from the result set.</li> </ul> <h3 id="section-2-filtering-data">Section 2. Filtering Data</h3> <ul> <li> <p><a href="https://neon.com/postgresql/postgresql-tutorial/postgresql-where/" title="PostgreSQL WHERE">Where</a> – filter rows based on a specified condition.</p>