diff --git a/config.yaml b/config.yaml
index f06315c..f82f237 100644
--- a/config.yaml
+++ b/config.yaml
@@ -12,7 +12,7 @@ theme: ["PaperMod"]
 params:
   homeInfoParams:
     Title: "👋 Welcome to Chen'Log"
-    Content: Hello, this is Jonathan. I'm using a blog to keep track of my learning notes throughout my career. I find almost all fields in software development quite fascinating, however I plan on specializing in database/cloud systems. I want to give all the credit to Lilian Weng (very incredible researcher) for being the source of inspiration for this blog.
+    Content: Hello, this is Jonathan. I'm using a blog to keep track of my learning notes throughout my career. I find almost all fields in software development quite fascinating, however I plan on specializing in database, cloud, and distributed systems. I want to give all the credit to Lilian Weng (very incredible researcher) for being the source of inspiration for this blog.
   socialIcons:
     - name:   github
       url: "https://github.com/jonathanc-n"
diff --git a/content/posts/post2.md b/content/posts/post2.md
new file mode 100644
index 0000000..6fb4ef1
--- /dev/null
+++ b/content/posts/post2.md
@@ -0,0 +1,6 @@
++++
+title = 'Introduction to Database Systems'
+date = 2024-06-16T23:19:19-04:00
+draft = false
++++
+
diff --git a/public/archives/index.html b/public/archives/index.html
index a09cc42..72728dd 100644
--- a/public/archives/index.html
+++ b/public/archives/index.html
@@ -126,8 +126,22 @@ <h1>
 <div class="archive-year">
   <h2 class="archive-year-header" id="2024">
     <a class="archive-header-link" href="#2024">2024</a>
-    <sup class="archive-count">&nbsp;1</sup>
+    <sup class="archive-count">&nbsp;2</sup>
   </h2>
+  <div class="archive-month">
+    <h3 class="archive-month-header" id="2024-June">
+      <a class="archive-header-link" href="#2024-June">June</a>
+      <sup class="archive-count">&nbsp;1</sup>
+    </h3>
+    <div class="archive-posts">
+      <div class="archive-entry">
+        <h3 class="archive-entry-title entry-hint-parent">Introduction to Database Systems
+        </h3>
+        <div class="archive-meta"><span title='2024-06-16 23:19:19 -0400 EDT'>June 16, 2024</span>&nbsp;·&nbsp;0 min</div>
+        <a class="entry-link" aria-label="post link to Introduction to Database Systems" href="http://localhost:1313/posts/post2/"></a>
+      </div>
+    </div>
+  </div>
   <div class="archive-month">
     <h3 class="archive-month-header" id="2024-May">
       <a class="archive-header-link" href="#2024-May">May</a>
diff --git a/public/categories/index.xml b/public/categories/index.xml
index 3d9f911..01d2bb7 100644
--- a/public/categories/index.xml
+++ b/public/categories/index.xml
@@ -4,7 +4,7 @@
     <title>Categories on Chen&#39;Log</title>
     <link>http://localhost:1313/categories/</link>
     <description>Recent content in Categories on Chen&#39;Log</description>
-    <generator>Hugo -- 0.125.6</generator>
+    <generator>Hugo -- 0.127.0</generator>
     <language>en-us</language>
     <atom:link href="http://localhost:1313/categories/index.xml" rel="self" type="application/rss+xml" />
   </channel>
diff --git a/public/index.html b/public/index.html
index 0832439..94961a1 100644
--- a/public/index.html
+++ b/public/index.html
@@ -2,7 +2,7 @@
 <html lang="en" dir="auto">
 
 <head>
-	<meta name="generator" content="Hugo 0.125.6"><script src="/livereload.js?mindelay=10&amp;v=2&amp;port=1313&amp;path=livereload" data-no-instant defer></script><meta charset="utf-8">
+	<meta name="generator" content="Hugo 0.127.0"><script src="/livereload.js?mindelay=10&amp;v=2&amp;port=1313&amp;path=livereload" data-no-instant defer></script><meta charset="utf-8">
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
 <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
 <meta name="robots" content="noindex, nofollow">
@@ -124,7 +124,7 @@
         <h1>👋 Welcome to Chen&rsquo;Log</h1>
     </header>
     <div class="entry-content">
-        Hello, this is Jonathan. I&rsquo;m using a blog to keep track of my learning notes throughout my career. I find most fields in software development quite fascinating, however I am probably going to specialize in backend, database/cloud, system design, and possibly machine learning.
+        Hello, this is Jonathan. I&rsquo;m using a blog to keep track of my learning notes throughout my career. I find almost all fields in software development quite fascinating, however I plan on specializing in database, cloud, and distributed systems. I want to give all the credit to Lilian Weng (very incredible researcher) for being the source of inspiration for this blog.
     </div>
     <footer class="entry-footer">
         <div class="social-icons" >
@@ -151,6 +151,18 @@ <h1>👋 Welcome to Chen&rsquo;Log</h1>
     </footer>
 </article>
 
+<article class="post-entry"> 
+  <header class="entry-header">
+    <h2 class="entry-hint-parent">Introduction to Database Systems
+    </h2>
+  </header>
+  <div class="entry-content">
+    <p></p>
+  </div>
+  <footer class="entry-footer"><span title='2024-06-16 23:19:19 -0400 EDT'>June 16, 2024</span>&nbsp;·&nbsp;0 min</footer>
+  <a class="entry-link" aria-label="post link to Introduction to Database Systems" href="http://localhost:1313/posts/post2/"></a>
+</article>
+
 <article class="post-entry"> 
   <header class="entry-header">
     <h2 class="entry-hint-parent">Importance of Low Level Learning
diff --git a/public/index.xml b/public/index.xml
index f19a425..1384a6f 100644
--- a/public/index.xml
+++ b/public/index.xml
@@ -4,10 +4,17 @@
     <title>Chen&#39;Log</title>
     <link>http://localhost:1313/</link>
     <description>Recent content on Chen&#39;Log</description>
-    <generator>Hugo -- 0.125.6</generator>
+    <generator>Hugo -- 0.127.0</generator>
     <language>en-us</language>
-    <lastBuildDate>Fri, 31 May 2024 15:50:54 -0400</lastBuildDate>
+    <lastBuildDate>Sun, 16 Jun 2024 23:19:19 -0400</lastBuildDate>
     <atom:link href="http://localhost:1313/index.xml" rel="self" type="application/rss+xml" />
+    <item>
+      <title>Introduction to Database Systems</title>
+      <link>http://localhost:1313/posts/post2/</link>
+      <pubDate>Sun, 16 Jun 2024 23:19:19 -0400</pubDate>
+      <guid>http://localhost:1313/posts/post2/</guid>
+      <description></description>
+    </item>
     <item>
       <title>Importance of Low Level Learning</title>
       <link>http://localhost:1313/posts/post1/</link>
diff --git a/public/posts/index.html b/public/posts/index.html
index 95c190a..964066a 100644
--- a/public/posts/index.html
+++ b/public/posts/index.html
@@ -124,6 +124,18 @@ <h1>
   </h1>
 </header>
 
+<article class="post-entry"> 
+  <header class="entry-header">
+    <h2 class="entry-hint-parent">Introduction to Database Systems
+    </h2>
+  </header>
+  <div class="entry-content">
+    <p></p>
+  </div>
+  <footer class="entry-footer"><span title='2024-06-16 23:19:19 -0400 EDT'>June 16, 2024</span>&nbsp;·&nbsp;0 min</footer>
+  <a class="entry-link" aria-label="post link to Introduction to Database Systems" href="http://localhost:1313/posts/post2/"></a>
+</article>
+
 <article class="post-entry"> 
   <header class="entry-header">
     <h2 class="entry-hint-parent">Importance of Low Level Learning
diff --git a/public/posts/index.xml b/public/posts/index.xml
index c814dbf..a97f5db 100644
--- a/public/posts/index.xml
+++ b/public/posts/index.xml
@@ -4,10 +4,17 @@
     <title>Posts on Chen&#39;Log</title>
     <link>http://localhost:1313/posts/</link>
     <description>Recent content in Posts on Chen&#39;Log</description>
-    <generator>Hugo -- 0.125.6</generator>
+    <generator>Hugo -- 0.127.0</generator>
     <language>en-us</language>
-    <lastBuildDate>Fri, 31 May 2024 15:50:54 -0400</lastBuildDate>
+    <lastBuildDate>Sun, 16 Jun 2024 23:19:19 -0400</lastBuildDate>
     <atom:link href="http://localhost:1313/posts/index.xml" rel="self" type="application/rss+xml" />
+    <item>
+      <title>Introduction to Database Systems</title>
+      <link>http://localhost:1313/posts/post2/</link>
+      <pubDate>Sun, 16 Jun 2024 23:19:19 -0400</pubDate>
+      <guid>http://localhost:1313/posts/post2/</guid>
+      <description></description>
+    </item>
     <item>
       <title>Importance of Low Level Learning</title>
       <link>http://localhost:1313/posts/post1/</link>
diff --git a/public/posts/post1/index.html b/public/posts/post1/index.html
index c236aaf..229806b 100644
--- a/public/posts/post1/index.html
+++ b/public/posts/post1/index.html
@@ -152,6 +152,13 @@ <h3 id="now">Now<a hidden class="anchor" aria-hidden="true" href="#now">#</a></h
   <footer class="post-footer">
     <ul class="post-tags">
     </ul>
+<nav class="paginav">
+  <a class="prev" href="http://localhost:1313/posts/post2/">
+    <span class="title">« Prev</span>
+    <br>
+    <span>Introduction to Database Systems</span>
+  </a>
+</nav>
 
 
 <ul class="share-buttons">
diff --git a/public/posts/post2/index.html b/public/posts/post2/index.html
index 1ed6be0..92107a6 100644
--- a/public/posts/post2/index.html
+++ b/public/posts/post2/index.html
@@ -5,9 +5,9 @@
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
 <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
 <meta name="robots" content="noindex, nofollow">
-<title>Post 22 | Chen&#39;Log</title>
+<title>Introduction to Database Systems | Chen&#39;Log</title>
 <meta name="keywords" content="">
-<meta name="description" content="wassup ">
+<meta name="description" content="Introduction to Database Systems - Chen&#39;Log">
 <meta name="author" content="">
 <link rel="canonical" href="http://localhost:1313/posts/post2/">
 <link crossorigin="anonymous" href="/assets/css/stylesheet.b609c58d5c11bb90b1a54e04005d74ad1ddf22165eb79f5533967e57df9c3b50.css" integrity="sha256-tgnFjVwRu5CxpU4EAF10rR3fIhZet59VM5Z&#43;V9&#43;cO1A=" rel="preload stylesheet" as="style">
@@ -122,16 +122,12 @@
   <header class="post-header">
     <div class="breadcrumbs"><a href="http://localhost:1313/">Home</a>&nbsp;»&nbsp;<a href="http://localhost:1313/posts/">Posts</a></div>
     <h1 class="post-title entry-hint-parent">
-      Post 22
+      Introduction to Database Systems
     </h1>
-    <div class="post-meta"><span title='2024-05-31 15:59:03 -0400 EDT'>May 31, 2024</span>&nbsp;·&nbsp;1 min
+    <div class="post-meta"><span title='2024-06-16 23:19:19 -0400 EDT'>June 16, 2024</span>&nbsp;·&nbsp;0 min
 
 </div>
   </header> 
-  <div class="post-content"><h3 id="wassup">wassup<a hidden class="anchor" aria-hidden="true" href="#wassup">#</a></h3>
-
-
-  </div>
 
   <footer class="post-footer">
     <ul class="post-tags">
@@ -147,8 +143,8 @@ <h1 class="post-title entry-hint-parent">
 
 <ul class="share-buttons">
     <li>
-        <a target="_blank" rel="noopener noreferrer" aria-label="share Post 22 on x"
-            href="https://x.com/intent/tweet/?text=Post%2022&amp;url=http%3a%2f%2flocalhost%3a1313%2fposts%2fpost2%2f&amp;hashtags=">
+        <a target="_blank" rel="noopener noreferrer" aria-label="share Introduction to Database Systems on x"
+            href="https://x.com/intent/tweet/?text=Introduction%20to%20Database%20Systems&amp;url=http%3a%2f%2flocalhost%3a1313%2fposts%2fpost2%2f&amp;hashtags=">
             <svg version="1.1" viewBox="0 0 512 512" xml:space="preserve" height="30px" width="30px" fill="currentColor">
                 <path
                     d="M512 62.554 L 512 449.446 C 512 483.97 483.97 512 449.446 512 L 62.554 512 C 28.03 512 0 483.97 0 449.446 L 0 62.554 C 0 28.03 28.029 0 62.554 0 L 449.446 0 C 483.971 0 512 28.03 512 62.554 Z M 269.951 190.75 L 182.567 75.216 L 56 75.216 L 207.216 272.95 L 63.9 436.783 L 125.266 436.783 L 235.9 310.383 L 332.567 436.783 L 456 436.783 L 298.367 228.367 L 432.367 75.216 L 371.033 75.216 Z M 127.633 110 L 164.101 110 L 383.481 400.065 L 349.5 400.065 Z" />
@@ -156,8 +152,8 @@ <h1 class="post-title entry-hint-parent">
         </a>
     </li>
     <li>
-        <a target="_blank" rel="noopener noreferrer" aria-label="share Post 22 on linkedin"
-            href="https://www.linkedin.com/shareArticle?mini=true&amp;url=http%3a%2f%2flocalhost%3a1313%2fposts%2fpost2%2f&amp;title=Post%2022&amp;summary=Post%2022&amp;source=http%3a%2f%2flocalhost%3a1313%2fposts%2fpost2%2f">
+        <a target="_blank" rel="noopener noreferrer" aria-label="share Introduction to Database Systems on linkedin"
+            href="https://www.linkedin.com/shareArticle?mini=true&amp;url=http%3a%2f%2flocalhost%3a1313%2fposts%2fpost2%2f&amp;title=Introduction%20to%20Database%20Systems&amp;summary=Introduction%20to%20Database%20Systems&amp;source=http%3a%2f%2flocalhost%3a1313%2fposts%2fpost2%2f">
             <svg version="1.1" viewBox="0 0 512 512" xml:space="preserve" height="30px" width="30px" fill="currentColor">
                 <path
                     d="M449.446,0c34.525,0 62.554,28.03 62.554,62.554l0,386.892c0,34.524 -28.03,62.554 -62.554,62.554l-386.892,0c-34.524,0 -62.554,-28.03 -62.554,-62.554l0,-386.892c0,-34.524 28.029,-62.554 62.554,-62.554l386.892,0Zm-288.985,423.278l0,-225.717l-75.04,0l0,225.717l75.04,0Zm270.539,0l0,-129.439c0,-69.333 -37.018,-101.586 -86.381,-101.586c-39.804,0 -57.634,21.891 -67.617,37.266l0,-31.958l-75.021,0c0.995,21.181 0,225.717 0,225.717l75.02,0l0,-126.056c0,-6.748 0.486,-13.492 2.474,-18.315c5.414,-13.475 17.767,-27.434 38.494,-27.434c27.135,0 38.007,20.707 38.007,51.037l0,120.768l75.024,0Zm-307.552,-334.556c-25.674,0 -42.448,16.879 -42.448,39.002c0,21.658 16.264,39.002 41.455,39.002l0.484,0c26.165,0 42.452,-17.344 42.452,-39.002c-0.485,-22.092 -16.241,-38.954 -41.943,-39.002Z" />
@@ -165,8 +161,8 @@ <h1 class="post-title entry-hint-parent">
         </a>
     </li>
     <li>
-        <a target="_blank" rel="noopener noreferrer" aria-label="share Post 22 on reddit"
-            href="https://reddit.com/submit?url=http%3a%2f%2flocalhost%3a1313%2fposts%2fpost2%2f&title=Post%2022">
+        <a target="_blank" rel="noopener noreferrer" aria-label="share Introduction to Database Systems on reddit"
+            href="https://reddit.com/submit?url=http%3a%2f%2flocalhost%3a1313%2fposts%2fpost2%2f&title=Introduction%20to%20Database%20Systems">
             <svg version="1.1" viewBox="0 0 512 512" xml:space="preserve" height="30px" width="30px" fill="currentColor">
                 <path
                     d="M449.446,0c34.525,0 62.554,28.03 62.554,62.554l0,386.892c0,34.524 -28.03,62.554 -62.554,62.554l-386.892,0c-34.524,0 -62.554,-28.03 -62.554,-62.554l0,-386.892c0,-34.524 28.029,-62.554 62.554,-62.554l386.892,0Zm-3.446,265.638c0,-22.964 -18.616,-41.58 -41.58,-41.58c-11.211,0 -21.361,4.457 -28.841,11.666c-28.424,-20.508 -67.586,-33.757 -111.204,-35.278l18.941,-89.121l61.884,13.157c0.756,15.734 13.642,28.29 29.56,28.29c16.407,0 29.706,-13.299 29.706,-29.701c0,-16.403 -13.299,-29.702 -29.706,-29.702c-11.666,0 -21.657,6.792 -26.515,16.578l-69.105,-14.69c-1.922,-0.418 -3.939,-0.042 -5.585,1.036c-1.658,1.073 -2.811,2.761 -3.224,4.686l-21.152,99.438c-44.258,1.228 -84.046,14.494 -112.837,35.232c-7.468,-7.164 -17.589,-11.591 -28.757,-11.591c-22.965,0 -41.585,18.616 -41.585,41.58c0,16.896 10.095,31.41 24.568,37.918c-0.639,4.135 -0.99,8.328 -0.99,12.576c0,63.977 74.469,115.836 166.33,115.836c91.861,0 166.334,-51.859 166.334,-115.836c0,-4.218 -0.347,-8.387 -0.977,-12.493c14.564,-6.47 24.735,-21.034 24.735,-38.001Zm-119.474,108.193c-20.27,20.241 -59.115,21.816 -70.534,21.816c-11.428,0 -50.277,-1.575 -70.522,-21.82c-3.007,-3.008 -3.007,-7.882 0,-10.889c3.003,-2.999 7.882,-3.003 10.885,0c12.777,12.781 40.11,17.317 59.637,17.317c19.522,0 46.86,-4.536 59.657,-17.321c3.016,-2.999 7.886,-2.995 10.885,0.008c3.008,3.011 3.003,7.882 -0.008,10.889Zm-5.23,-48.781c-16.373,0 -29.701,-13.324 -29.701,-29.698c0,-16.381 13.328,-29.714 29.701,-29.714c16.378,0 29.706,13.333 29.706,29.714c0,16.374 -13.328,29.698 -29.706,29.698Zm-160.386,-29.702c0,-16.381 13.328,-29.71 29.714,-29.71c16.369,0 29.689,13.329 29.689,29.71c0,16.373 -13.32,29.693 -29.689,29.693c-16.386,0 -29.714,-13.32 -29.714,-29.693Z" />
@@ -174,7 +170,7 @@ <h1 class="post-title entry-hint-parent">
         </a>
     </li>
     <li>
-        <a target="_blank" rel="noopener noreferrer" aria-label="share Post 22 on facebook"
+        <a target="_blank" rel="noopener noreferrer" aria-label="share Introduction to Database Systems on facebook"
             href="https://facebook.com/sharer/sharer.php?u=http%3a%2f%2flocalhost%3a1313%2fposts%2fpost2%2f">
             <svg version="1.1" viewBox="0 0 512 512" xml:space="preserve" height="30px" width="30px" fill="currentColor">
                 <path
@@ -183,8 +179,8 @@ <h1 class="post-title entry-hint-parent">
         </a>
     </li>
     <li>
-        <a target="_blank" rel="noopener noreferrer" aria-label="share Post 22 on whatsapp"
-            href="https://api.whatsapp.com/send?text=Post%2022%20-%20http%3a%2f%2flocalhost%3a1313%2fposts%2fpost2%2f">
+        <a target="_blank" rel="noopener noreferrer" aria-label="share Introduction to Database Systems on whatsapp"
+            href="https://api.whatsapp.com/send?text=Introduction%20to%20Database%20Systems%20-%20http%3a%2f%2flocalhost%3a1313%2fposts%2fpost2%2f">
             <svg version="1.1" viewBox="0 0 512 512" xml:space="preserve" height="30px" width="30px" fill="currentColor">
                 <path
                     d="M449.446,0c34.525,0 62.554,28.03 62.554,62.554l0,386.892c0,34.524 -28.03,62.554 -62.554,62.554l-386.892,0c-34.524,0 -62.554,-28.03 -62.554,-62.554l0,-386.892c0,-34.524 28.029,-62.554 62.554,-62.554l386.892,0Zm-58.673,127.703c-33.842,-33.881 -78.847,-52.548 -126.798,-52.568c-98.799,0 -179.21,80.405 -179.249,179.234c-0.013,31.593 8.241,62.428 23.927,89.612l-25.429,92.884l95.021,-24.925c26.181,14.28 55.659,21.807 85.658,21.816l0.074,0c98.789,0 179.206,-80.413 179.247,-179.243c0.018,-47.895 -18.61,-92.93 -52.451,-126.81Zm-126.797,275.782l-0.06,0c-26.734,-0.01 -52.954,-7.193 -75.828,-20.767l-5.441,-3.229l-56.386,14.792l15.05,-54.977l-3.542,-5.637c-14.913,-23.72 -22.791,-51.136 -22.779,-79.287c0.033,-82.142 66.867,-148.971 149.046,-148.971c39.793,0.014 77.199,15.531 105.329,43.692c28.128,28.16 43.609,65.592 43.594,105.4c-0.034,82.149 -66.866,148.983 -148.983,148.984Zm81.721,-111.581c-4.479,-2.242 -26.499,-13.075 -30.604,-14.571c-4.105,-1.495 -7.091,-2.241 -10.077,2.241c-2.986,4.483 -11.569,14.572 -14.182,17.562c-2.612,2.988 -5.225,3.364 -9.703,1.12c-4.479,-2.241 -18.91,-6.97 -36.017,-22.23c-13.314,-11.876 -22.304,-26.542 -24.916,-31.026c-2.612,-4.484 -0.279,-6.908 1.963,-9.14c2.016,-2.007 4.48,-5.232 6.719,-7.847c2.24,-2.615 2.986,-4.484 4.479,-7.472c1.493,-2.99 0.747,-5.604 -0.374,-7.846c-1.119,-2.241 -10.077,-24.288 -13.809,-33.256c-3.635,-8.733 -7.327,-7.55 -10.077,-7.688c-2.609,-0.13 -5.598,-0.158 -8.583,-0.158c-2.986,0 -7.839,1.121 -11.944,5.604c-4.105,4.484 -15.675,15.32 -15.675,37.364c0,22.046 16.048,43.342 18.287,46.332c2.24,2.99 31.582,48.227 76.511,67.627c10.685,4.615 19.028,7.371 25.533,9.434c10.728,3.41 20.492,2.929 28.209,1.775c8.605,-1.285 26.499,-10.833 30.231,-21.295c3.732,-10.464 3.732,-19.431 2.612,-21.298c-1.119,-1.869 -4.105,-2.99 -8.583,-5.232Z" />
@@ -192,8 +188,8 @@ <h1 class="post-title entry-hint-parent">
         </a>
     </li>
     <li>
-        <a target="_blank" rel="noopener noreferrer" aria-label="share Post 22 on telegram"
-            href="https://telegram.me/share/url?text=Post%2022&amp;url=http%3a%2f%2flocalhost%3a1313%2fposts%2fpost2%2f">
+        <a target="_blank" rel="noopener noreferrer" aria-label="share Introduction to Database Systems on telegram"
+            href="https://telegram.me/share/url?text=Introduction%20to%20Database%20Systems&amp;url=http%3a%2f%2flocalhost%3a1313%2fposts%2fpost2%2f">
             <svg version="1.1" xml:space="preserve" viewBox="2 2 28 28" height="30px" width="30px" fill="currentColor">
                 <path
                     d="M26.49,29.86H5.5a3.37,3.37,0,0,1-2.47-1,3.35,3.35,0,0,1-1-2.47V5.48A3.36,3.36,0,0,1,3,3,3.37,3.37,0,0,1,5.5,2h21A3.38,3.38,0,0,1,29,3a3.36,3.36,0,0,1,1,2.46V26.37a3.35,3.35,0,0,1-1,2.47A3.38,3.38,0,0,1,26.49,29.86Zm-5.38-6.71a.79.79,0,0,0,.85-.66L24.73,9.24a.55.55,0,0,0-.18-.46.62.62,0,0,0-.41-.17q-.08,0-16.53,6.11a.59.59,0,0,0-.41.59.57.57,0,0,0,.43.52l4,1.24,1.61,4.83a.62.62,0,0,0,.63.43.56.56,0,0,0,.4-.17L16.54,20l4.09,3A.9.9,0,0,0,21.11,23.15ZM13.8,20.71l-1.21-4q8.72-5.55,8.78-5.55c.15,0,.23,0,.23.16a.18.18,0,0,1,0,.06s-2.51,2.3-7.52,6.8Z" />
@@ -201,8 +197,8 @@ <h1 class="post-title entry-hint-parent">
         </a>
     </li>
     <li>
-        <a target="_blank" rel="noopener noreferrer" aria-label="share Post 22 on ycombinator"
-            href="https://news.ycombinator.com/submitlink?t=Post%2022&u=http%3a%2f%2flocalhost%3a1313%2fposts%2fpost2%2f">
+        <a target="_blank" rel="noopener noreferrer" aria-label="share Introduction to Database Systems on ycombinator"
+            href="https://news.ycombinator.com/submitlink?t=Introduction%20to%20Database%20Systems&u=http%3a%2f%2flocalhost%3a1313%2fposts%2fpost2%2f">
             <svg version="1.1" xml:space="preserve" width="30px" height="30px" viewBox="0 0 512 512" fill="currentColor"
                 xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape">
                 <path
diff --git a/public/sitemap.xml b/public/sitemap.xml
index 079c3ee..1d527ea 100644
--- a/public/sitemap.xml
+++ b/public/sitemap.xml
@@ -3,10 +3,13 @@
   xmlns:xhtml="http://www.w3.org/1999/xhtml">
   <url>
     <loc>http://localhost:1313/</loc>
-    <lastmod>2024-05-31T15:59:03-04:00</lastmod>
+    <lastmod>2024-06-16T23:19:19-04:00</lastmod>
+  </url><url>
+    <loc>http://localhost:1313/posts/post2/</loc>
+    <lastmod>2024-06-16T23:19:19-04:00</lastmod>
   </url><url>
     <loc>http://localhost:1313/posts/</loc>
-    <lastmod>2024-05-31T15:59:03-04:00</lastmod>
+    <lastmod>2024-06-16T23:19:19-04:00</lastmod>
   </url><url>
     <loc>http://localhost:1313/posts/post1/</loc>
     <lastmod>2024-05-31T15:50:54-04:00</lastmod>
diff --git a/public/tags/index.xml b/public/tags/index.xml
index fe7b004..3d93b3e 100644
--- a/public/tags/index.xml
+++ b/public/tags/index.xml
@@ -4,7 +4,7 @@
     <title>Tags on Chen&#39;Log</title>
     <link>http://localhost:1313/tags/</link>
     <description>Recent content in Tags on Chen&#39;Log</description>
-    <generator>Hugo -- 0.125.6</generator>
+    <generator>Hugo -- 0.127.0</generator>
     <language>en-us</language>
     <atom:link href="http://localhost:1313/tags/index.xml" rel="self" type="application/rss+xml" />
   </channel>
