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所在平台: Udemy |
课程主页: https://www.udemy.com/course/sql-principles-an-essential-guide-for-beginners/
课程评论:没有评论
**课程名称:SQL 基础:初学者必备指南** **课程概述:** 本课程将带您探索结构化查询语言 (SQL),这是与关系数据库管理系统 (RDBMS) 交互的关键工具。您将学习如何使用 SQL 从常见的数据库(如 Microsoft Access、Microsoft SQL Server、Oracle 和 MySQL)中提取和操作数据。 课程内容涵盖: * **SELECT:** 从数据库中检索数据。 * **WHERE:** 过滤和筛选特定数据。 * **ORDER BY:** 对数据进行排序。 * **GROUP BY 和 HAVING:** 对数据进行分组和聚合,并对分组结果进行过滤。 通过本课程,您将了解 RDBMS、表、行和列的基本概念,并学习如何使用 SQL 操作例如“订单”、“订单详情”、“产品”和“客户”等示例表。课程假设您将与已存在的数据库进行交互。 **课程亮点:** * **实用技能:** 学习如何选择、过滤、分组和排序数据库中的记录。 * **职业发展:** SQL 技能是数据科学、数据库开发和市场报告等领域的宝贵资产。 * **数据分析基础:** SQL 是对数据进行切片、重塑以及创建仪表板、图表和图形的基础。 * **面向对象:** 课程侧重于如何与数据库交互(SQL),而非数据库的设计和开发。 无论您是编程爱好者、对数据库感兴趣的学习者,还是希望从系统中提取报告的市场专业人士,本课程都将为您提供有力支持。祝您学习愉快!
SQL Structural Query Language.RDBMS relational database management system.Interact with databases using SQL.Common day database Microsoft Access, Microsoft SQL Server, Oracle, MySQL.Get results from database. SELECT Filter results from database. WHERESort data/results from database. ORDER BYGroup data/results from database. GROUP BY HAVING RDBMS. TABLES. ROWS. COLUMNSTable examplesOrders OrderdetailsProductsCustomersIn this class, we assume that the database already exist and we are interacting with the database using the SQL.We will see how to select records, filter records, group records, sort records from the database. If you like to program and have interest in database then this course will guide you to utilize it. Learning this could you could apply these skills as Data Science, Database Developer.Database design and development is how you create databases vs. SQL is how you interact with database.If you are a Marketing professional and would like to get your reports from a system then this course will help you how to do that...SQL allows you slice and dice the data in different shape or form.You can create dashboards, charts graphs using the SQL as the foundation.good luck learning and hope you enjoy the course.