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所在平台: Udemy |
课程主页: https://www.udemy.com/course/sqlendtoend/
课程评论：没有评论
课程名称：数据仓库与 SQL 全流程 课程概述：本课程将教你如何使用最受欢迎的技能之一——Oracle SQL，进行复杂数据库查询的读取和写入。这些技能同样适用于其他主要的 SQL 数据库，如 MySQL、Microsoft SQL Server、Amazon Redshift、PostgreSQL 等等。学习 SQL 是提升职业前景最快的方法之一，因为它是当前最需要的技术技能之一！在本课程中，你将迅速学习，通过挑战和测试增强理解！课程内容将帮助你掌握成为 SQL 专家的所有知识，包括： - SQL 入门，学习 SQL 语法基础 - 使用 GROUP BY 命令进行数据分析 - 执行包含字符串操作和比较操作的高级查询 - 学习使用集合运算符和子查询，关联子查询 - 学习常用的 SQL 连接命令 - 学习创建带有数据输入约束的表和数据库 - 详细了解数据仓库的概念、需求，以及数据仓库与数据湖之间的区别 - 了解数据仓库项目的自下而上和自上而下的方法 - 理解 OLTP 和 OLAP 转换 SQL 是商业分析师、数据科学家及所有涉及数据工作者的最需技能之一！快速提升你的技能设置，将 SQL 添加到你的简历中，立即加入课程吧！祝你好运！
You'll learn how to read and write complex queries to a database using one of the most in-demand skills - Oracle SQL. These skills are also applicable to any other major SQL database, such as MySQL, Microsoft SQL Server, Amazon Redshift, PostgreSQL, and much more.Learning SQL is one of the fastest ways to improve your career prospects as it is one of the most in-demand tech skills! In this course, you'll learn quickly and receive challenges and tests along the way to improve your understanding!In this course, you will learn everything you need to become a SQL expert! Including:Get started with SQL Learn the basics of SQL syntaxAnalyzing data using aggregate functions with GROUP BY commandsRunning advanced queries with string operations and comparison operationsSet Operators Subqueries, correlated subqueriesLearn to use logical operators to add logic flow to your SQL queriesLearn common SQL JOIN commandsLearn to create tables and databases with constraints on data entriesand much, much more!What is a data warehouse? What is the need for a data warehouse? What is the difference between a data warehouse and a data lake? Bottom-up and top-down approach of data warehousing project. OLTP and OLAP transactionsSQL is one of the most in-demand skills for business analysts, data scientists, and anyone who finds themselves working with data! Upgrade your skillset quickly and add SQL to your resume by joining today!All the very best!!!
