Mastering Oracle SQL and SQL*Plus

Spark SQL是 Spark大數據框架的一部分，支援使用標準SQL查詢和HiveQL來讀寫資料，可用於結構化資料處理，並可以執行類似SQL的Spark資料查詢，有助於開發人員更快地建置和執行Spark程式。全書分為4篇，共9章，第一篇講解Spark SQL 發展歷史和開發環境搭建。第二篇講解Spark SQL 實例，幫助讀者掌握Spark SQL的入門操作，瞭解Spark RDD、DataFr

Spark SQL是 Spark大資料框架的一部分，支援使用標準SQL查詢和HiveQL來讀寫資料，可用於結構化資料處理，並可以執行類似SQL的Spark資料查詢，有助於開發人員更快地創建和運行Spark程式。全書分為4篇，共9章，第一篇講解Spark SQL 發展歷史和開發環境搭建。第二篇講解Spark SQL 實例，幫助讀者掌握Spark SQL的入門操作，瞭解Spark RDD、DataFr

‧大量經典案例，快速構建SQL優化解決方案 ‧編寫SQL優化全自動腳本，快速提升工作效率 ‧每個知識點皆輔以相應範例及程式碼進行說明 SQL(Structured Query Language，結構化查詢語言)是一種功能強大的資料庫語言。是以關聯代數運算為基礎，其功能豐富、語言簡潔、使用方便靈活，已成為關聯式資料庫的標準語言。 近年來系統所使用的資料量大幅增加，平行處理的量也倍增，SQL效能越來越

一本告訴您如何正確編寫與思考SQL的書籍本書深入探討SQL語法，諸如CASE 陳述式、視窗函數、外部連結、關聯子查詢、HAVING子句、EXISTS，如果您已經了解使用SQL指令的基本語法，應該就能順利閱讀本書。本書的第一部會以一章介紹一個這類SQL工具，希望大家透過範例學會這些工具的使用方法。請大家務必動手撰寫這些程式碼。基本上，會希望各位讀者從頭開始閱讀本書，但如果有些內容已經很熟悉，不妨直接

【關鍵數據分析指標】解說 + 【SQL 擷取、彙總數據】手法, 教你從枯燥的資料表中挖出對決策有幫助的資訊！ 在一般使用上, SQL 還是常被當作 Web 服務的後端, 只用於 RDB (關聯式資料庫) 的查詢, 普遍缺乏將 SQL 使用在分析用途上的 Knowhow。然而目前各種大數據平台 (Apache Hadoop、Spark、Google / Amazon 的付費雲端平台…) 的盛行, 當

陳會安老師的書籍一向給人淺顯易懂的好評，加上多年扎實功力在內容上的加持，本書不僅是學校資料庫設計相關課程很好的教材，對資料庫設計與開發人員來說也是很好的工具書。--台灣微軟資深產品行銷協理 邱敏珍 專業推薦 •完整說明資料庫設計與開發人員應具備的理論、觀念和技能，幫助你精通SQL Server的Transact-SQL程式設計！•本書以資料庫設計與開發人員角度來切入SQL Server

本書全面、系統、深入地講解了 Oracle 12c 數據庫原理、應用和開發，也講解了 Oracle 12c 常用的管理知 識，以 Oracle 12c 數據庫雲計算為線索，詳細講解了 CDB 和PDB。 本書共分 16 章。第 1 章介紹了 Oracle 12c 的基本知識、系統性能和特點，以及如何支持雲計算；第 2章 介紹了 Oracle 12c 的系統結構，重點闡述了 CDB 和PDB 的概念

 Apache Kylin為第一個由華人團隊完整貢獻至Apache的專案。 作者為業界知名的Apache Kylin專家，本書為其多年的技術累積與實戰精華。 內容淺顯易懂、實作性強大，是目前第一本系統性介紹Kylin的實作書籍。 Apache Kylin為開放原始碼的分散式儲存引擎，提供Hadoop上的SQL查詢介面及多維分析能力以支援大規模資料。本

本書提供了全面、實用的建議，以保證在複雜的生產環境中，能可靠且高效地運行Oracle 數據庫。七位主要的Oracle 專家對Oracle 12c、11g 和其他最近版本的Oracle 數據庫彙集了一系列經過驗證的解決方案、實踐的例子以及循序漸進的技巧。每一個解決方案都是精心設計的，以幫助有經驗的Oracle DBA和DMA 盡可能快地理解和修復嚴重的問題。本書不僅涵蓋了LOB 段、undo 表空間

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PostgreSQL為優秀的開放原始碼關聯式資料庫管理系統，本書揭示PostgreSQL查詢引擎運行原理和實現技術細節。 其中包括：基礎資料結構；SQL詞法語法分析及查詢語法樹；查詢分析及查詢重寫；子連接及子查詢處理；查詢訪問路徑創建；查詢計畫生成，等等。以深入淺出的方式討論每個主題並結合基礎資料結構、圖表、原始碼等對所討論的主題進行詳細分析，以使讀者對PostgreSQL查詢引擎的運行機制及實現

《深入解析Oracle：數據庫的初始化》圍繞“數據庫的初始化”這個主題展開，詳細介紹了數據庫的創建、使

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Entity Framework 是微軟公司 .NET 平臺支持的對象關聯映射技術，開發人員可以通過實體數據模型對象與數據庫進行溝通，建立更堅固的商業應用程序系統，避免因為通過 ADO.NET 直接處理 SQL 語句而帶來的風險與可能引發的錯誤。本書通過介紹Entity Framework與 LINQ 開發實戰的案例，以 Entity Framework 技術內容的討論為主線，結合關鍵的 LINQ

Blaze and AJ are on patrol in this exciting storybook, which features the characters from Nickelodeon's Blaze and the Monster Machines--plus cards and stickers!Blaze, AJ, and all their fast friends fr

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A brilliantly colourful 100-piece jigsaw showing a busy night time scene, plus a 24-page picture puzzle book presented together in a sturdy box. The jigsaw measures 59x40cm and both the jigsaw and book are illustrated by Gareth Lucas. Can you find a leopard who's lost her spots, an owl reading a bedtime story, a bat wearing socks and lots more?100片拼圖+24頁小書拼圖完成尺寸59*40公分

This deluxe storybook features song lyrics from one of the most memorable moments from Disney’s Frozen plus gorgeous stylized illustrations that capture the magic from the animated film. Includes a CD

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Chewbacca is back for another search and find adventure! Featuring new locations to explore and characters to find as you resume your hunt for the hairy hero! Includes 10 new scenes to enjoy, plus bon

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