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所在平台: Udemy |
课程主页: https://www.udemy.com/course/sql-essentials-thinking-in-sql/
课程评论:没有评论
课程名称:SQL基础 - 从初学者到专家的思维方式 课程概述: SQL Essentials 是一门为初学者设计的课程,旨在帮助你从基础开始学习 SQL 编程,逐步掌握编写中到复杂的 SQL 查询和回答业务问题的能力。该课程采用 ANSI SQL 标准,并使用当前最受欢迎的技能之一 - Spark SQL。这些技能也适用于其他主要 SQL 数据库,如 MySQL、Microsoft SQL Server、Amazon Redshift 和 Oracle 等。 学习内容包括: - 撰写简单至复杂的 SQL 查询并回答业务问题 - 学习连接(joins)、分组(group by)、聚合(aggregates)等多种 SQL 子句 - 处理日期、时间、字符串,并使用 SQL 函数 - 通过 50 多个练习题来巩固技能 课程将专注于以下复杂聚合和高级 SQL 问题: - 选择与过滤 - 各种类型的连接 - 子查询 - SQL 中的公共表表达式(CTE) - 字符串函数 - 日期与时间运算 - 简单聚合 - 分组聚合 - 多级聚合 - 窗口聚合 此外,课程还包括实践问题与动手练习。这门课程符合 ANSI SQL 标准,支持大数据启用 - 你将使用 Apache Spark SQL 进行学习与实践,为成为大数据工程师做好准备。 如果你希望在数据工程领域成长,这将是最适合你的课程。
SQL Essentials is a beginner's course that will help you learn SQL programming from the basics and become proficient in writing medium to complex SQL queries and answering business questions.This course is designed using ANSI SQL standard and uses one of the most in-demand skills - Spark SQL. These skills also apply to other major SQL databases, such as MySQL, Microsoft SQL Server, Amazon Redshift, Oracle, and more.This course will help you learn the following topics.Writing simple to complex SQL queries and answering business questionsLearn joins, group by, aggregates, and many other SQL clausesHandling date, time, strings, and working with SQL functionsMaster your skills with 50+ practice questionsThis course specialises in the following complex aggregation and advanced SQL problems.Selecting and FilteringDifferent types of JoinSubqueriesCTE in SQLString functionsDate and Time ArithmeticSimple aggregationGrouping AggregationMulti-level aggregationWindowing AggregationThis course also includes practice questions and hands-on exercises.This course is ANSI SQL compliant and big data enabled - You will learn and practice SQL using Apache Spark SQL and be prepared to work as a Big Data Engineer using Apache Spark.This is the best course for you if you are looking forward to growing as a Data Engineer.