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所在平台: Udemy |
课程主页: https://www.udemy.com/course/advanced-sql-tutorial/
课程评论:没有评论
**Coursera 课程总结:SQL 高级** 本课程由 Amarnath Panyam 主讲,旨在帮助学员掌握 Oracle SQL 的高级技巧,从而提升职业发展和薪资水平。高级 SQL 开发人员在 IT 行业需求旺盛,薪资可达 10 万美元以上。 **课程核心内容:** * **SQL 语句分解与重组:** 学员将学习如何将复杂的 SQL 语句分解成小部分,再进行重组,以提高代码的可读性和维护性。 * **物化视图 (Materialized Views):** 掌握如何创建物化视图来跨服务器复制数据,并利用简单的 SQL 语法优化查询性能。 * **表分区 (Table Partitioning):** 学习表分区的概念,并通过 SQL 实现,以优化数据管理和查询性能。 * **分析函数 (Analytic SQL):** 深入了解如何使用分析函数进行数据聚合、分析、报告和建模。 * **层级查询 (Hierarchical Queries):** 学习层级查询的概念,创建树状报告,格式化层级数据,并排除树结构中的分支。 * **正则表达式 (Regular Expressions):** 掌握使用 SQL 内置函数进行正则表达式匹配、搜索和字符串替换。 * **分组与聚合函数:** 学习使用 `ROLLUP` 和 `CUBE` 等内置 SQL 函数进行数据分组和聚合。 通过学习这些高级 SQL 概念,学员将能够更好地处理复杂的数据场景,成为更具竞争力的 SQL 开发人员。
Senior SQL Developers are in high demand and demand 100k+ salary in the IT industry.If we have to advance in our career and earn a good salary, we need these Advanced SQL skills. So let's take the next step of learning these advanced concepts of Oracle SQL.Learning these advanced SQL concepts would position you better in your working environment.What will we learn?Students will learn the art of breaking a big SQL statement into small pieces and rebuild it again.Create Materialized views to replicate data across servers and improve performance by using simple SQL syntax.Partition the tables for better management and performance optimization using SQL Partitioning.Students will learn to use Analytic SQL to aggregate, analyze and report, and model data using the SQL Analytic capabilities.Students will learn to interpret the concept of a hierarchical query, create a tree-structured report, format hierarchical data, and exclude branches from the tree structure using SQL Hierarchical features.Students will also learn to use regular expressions and subexpressions to search for, match, and replace strings using SQL built in functions.Group and aggregate data using the built in SQL functions like ROLLUP and CUBE operators.See you inside,Amarnath Panyam