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所在平台: Udemy |
课程主页: https://www.udemy.com/course/introduction-to-using-sql-for-reporting/
课程评论：没有评论
## 课程总结：《SQL数据报告入门》 本课程《SQL数据报告入门》旨在教授学员如何利用SQL（Structured Query Language）这一强大的数据库查询语言来生成有用的业务报告。通过SQL，您可以深入挖掘数据，解答诸如“月度收入增长和累计总收入是多少？”、“数据是否存在重复项影响指标准确性？”、“每月订单量排名前N位的有哪些？”以及“用户复购行为如何？”等关键业务问题。 **课程核心内容包括：** * **环境搭建：** 学习安装Oracle数据库、TOAD（The Oracle Application Development Tool）和SQL Developer等常用工具，并掌握如何将TOAD和SQL Developer连接到Oracle数据库。 * **基础查询与过滤：** 掌握SQL的基础查询语法，包括如何对结果集进行排序和限制（Ordering and Limiting results），如何使用WHERE子句过滤数据，以及如何结合多个运算符进行复杂过滤。 * **高级数据处理：** 学习使用视图（Views）和DUAL表，利用LIKE运算符和通配符进行模式匹配，去除重复记录，以及深入理解和应用子查询（Sub-queries）。 * **内置函数应用：** 掌握SQL提供的各种内置函数，包括字符函数（Character functions）、转换函数（Conversion functions）、数字函数（Numeric functions）和日期函数（Date functions），以实现更灵活的数据处理和格式化。 * **数据聚合与报表生成：** 学习如何使用GROUP BY子句对数据进行分组，理解并应用聚合函数（Aggregate functions）来计算汇总统计信息，最终将这些技术应用于实际的SQL报表生成。 **通过本课程，您将能够：** * 熟练运用SQL的各种内置功能，生成对企业决策至关重要的各类报表。 * 更深入地理解数据，从而提出更有价值的业务洞察。 **课程适合对象：** * 初级数据库分析师 * 希望更新SQL知识的开发人员 * 正在学习关系型数据库的学生 * 任何对SQL数据报告感兴趣的学习者
SQL can be used to generate reports and present information on websites. This course covers SQL features in helping you answer more interesting questions about your data. The most popular business problems can be solved with SQL. What is the revenue growth month over month and running total revenue? Can we trust the metric, or does the data have some accidental duplicates that affect it? What are the top N orders for every month? What is the repeat purchase behaviour? All these questions can bee translated from the database using SQL into useful reports for the business. Topics covered includes: Installing Oracle databaseInstalling TOADInstalling SQL developerConnecting TOAD and SQL Developer to Oracle DatabaseOrdering and Limiting resultsFiltering data using the WHERE clauseUsing multiple operators with the WHERE clauseHow to use Views and Dual TablesUsing Like operators with wild cards to achieve search patternsRemoving duplicates recordsUsing sub-queries Using character functionsUsing conversion functionsUsing numeric functionsUsing date functionsGrouping resultsAggregate functionsSome real world SQL reportingWhat Am I Going To Get from This SQL Reporting Course? You'll discover how to use various built in features of SQL to generate useful for reports that can help a business make important decisions. Who Should Take This Course? Beginning database analystsDevelopers who want to keep their knowledge of SQL currentStudents taking classes in relational databasesAnyone who wants to learn SQL Reporting
