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        <title>DynamoDB Index</title>
        <link>https://markogoodman.github.io/posts/dynamodb-index/</link>
        <pubDate>Mon, 28 Mar 2022 22:24:17 +0800</pubDate>
        <author>marko958m@gmail.com (Marko Peng)</author>
        <atom:modified>Mon, 28 Mar 2022 22:24:17 +0800</atom:modified>
        <guid>https://markogoodman.github.io/posts/dynamodb-index/</guid>
        <description>DynamoDB index 這篇想講一下用 DynamoDB 遇到的狀況，字很多但內容應該很少，比較像流水帳 前陣子工作時需要將 DynamoDB 的全部資料(包括已經存在的和未來新來的)載入進 Redshift 並在途</description>
        
        <dc:creator>Marko Peng</dc:creator>
        
        
        
        
          
            
              <category>DynamoDB</category>
            
          
            
              <category>index</category>
            
          
            
              <category>database</category>
            
          
        
        
          
            
              <category>Computer Science</category>
            
          
        
        
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        <title>Mongodb Partial and Sparse Index</title>
        <link>https://markogoodman.github.io/posts/mongodb-partial-sparse-index/</link>
        <pubDate>Sun, 14 Jun 2020 02:19:55 +0800</pubDate>
        <author>marko958m@gmail.com (Marko Peng)</author>
        <atom:modified>Sun, 14 Jun 2020 02:19:55 +0800</atom:modified>
        <guid>https://markogoodman.github.io/posts/mongodb-partial-sparse-index/</guid>
        <description>前幾天幫原本已經有資料的 collection 新建 unique index 的時候讓 Server 啟動爆掉了記錄一下 1 2 3 db.coll.insert({&amp;#34;a&amp;#34;:1}) db.coll.insert({&amp;#34;a&amp;#34;:2}) db.coll.createIndex({&amp;#34;b&amp;#34;:1}, {unique: true}) // duplicate key error 在一個之前資料都沒有的 field 上建 unique index，結果噴出了下</description>
        
        <dc:creator>Marko Peng</dc:creator>
        
        
        
        
          
            
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