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所在平台: Udemy |
课程主页: https://www.udemy.com/course/querying-microsoft-sql-server-databases-using-t-sql/
课程评论:没有评论
课程名称:使用 T-SQL 基础查询 SQL Server 数据库 课程概述:解锁 Microsoft SQL Server 的强大功能,掌握 T-SQL(Transact-SQL),以高效地查询、操作和管理数据库。无论你是希望入门 SQL 的初学者,还是希望提升数据库技能的 IT 专业人员、数据分析师或开发者,本课程将为你提供实际的、基于真实场景的数据库查询知识。 为什么要学习 SQL Server 的 T-SQL?T-SQL 是在 Microsoft SQL Server 中查询和管理关系数据库的基础。它广泛应用于数据分析、报告、商业智能和后端开发。企业依赖 SQL 数据库来存储和管理大量数据,因此 SQL 技能在当今就业市场上显得尤为重要。 通过学习 T-SQL,你将能够: - 使用高效的 SQL 查询检索、更新和操作数据 - 利用真实数据集提取有价值的见解 - 提高性能并优化数据库查询 - 将 SQL 技能应用于数据分析、数据库管理和软件开发等职业 课程特色:该课程采用动手实践、循序渐进的方式,确保你通过实际操作进行学习。你将从安装 SQL Server 和 SQL Server Management Studio(SSMS)开始,逐步深入编写和优化 T-SQL 查询。通过实践练习和真实场景,你将获得自信地使用 SQL 数据库的技能。 你将学习到: - SQL 和 SQL Server 的介绍:理解 SQL 的概念、关系数据库的工作原理以及 SQL Server 的强大功能。 - 设置 SQL Server 和 SSMS:安装、配置并连接到 Microsoft SQL Server 和 SSMS 以运行查询。 - 执行 CRUD 操作:学习如何在 SQL 数据库中创建、读取、更新和删除数据。 - 编写 T-SQL 查询:执行从基础到高级的 T-SQL 语句以高效检索和操作数据。 - 使用表连接:利用 INNER、LEFT、RIGHT 和 FULL OUTER JOIN 将多个表中的数据结合起来。 - 数据库规范化:理解数据库设计原则,以高效结构化数据并消除冗余。 - 处理 NULL 值和案例表达式:管理缺失数据并在查询中应用逻辑条件。 - 使用聚合函数:使用 AVG、SUM、MAX、MIN 和 COUNT 来分析和汇总数据。 - 管理用户账户和权限:在 SQL Server 中设置用户角色、访问控制和安全性。 - 优化查询性能:学习编写高效 SQL 查询的最佳实践,以提高数据库性能。 适合人群: - SQL 和数据库管理的初学者:无需任何提前经验。 - 有志成为数据分析师和商业智能专业人士的人:掌握查询和分析数据的技能。 - 软件开发者和 IT 专业人员:学习如何将 SQL 查询集成到应用程序中。 - 学生和商业专业人士:理解如何检索和操作数据以进行报告和决策制定。 选择此课程的理由: - 以初学者为友好的逐步方法:不需要 prior SQL 经验。 - 动手练习和真实项目:通过在 SQL Server 数据库上编写实际查询来学习。 - 实用的、符合就业市场的技能:培养雇主所需的 SQL 技能。 - 为高级主题打下坚实基础:为学习存储过程、函数和数据库优化做好准备。 通过本课程的学习,你将自信地编写和优化 SQL 查询,为任何依赖数据管理和分析的行业中的实际数据库任务做好准备。
Unlock the power of Microsoft SQL Server and master T-SQL (Transact-SQL) to efficiently query, manipulate, and manage databases. Whether you are a beginner looking to get started with SQL or an IT professional, data analyst, or developer aiming to enhance your database skills, this course will equip you with practical, real-world knowledge of querying databases using T-SQL.Why Learn T-SQL for SQL Server?T-SQL is the foundation of querying and managing relational databases in Microsoft SQL Server. It is widely used for data analysis, reporting, business intelligence, and backend development. Companies rely on SQL databases to store and manage large volumes of data, making SQL skills highly valuable in today's job market.By learning T-SQL, you will be able to:Retrieve, update, and manipulate data using efficient SQL queriesWork with real-world datasets to extract valuable insightsImprove performance and optimize database queriesApply SQL skills to careers in data analysis, database administration, and software developmentWhat Makes This Course Unique?This course takes a hands-on, step-by-step approach, ensuring that you learn by doing. You will start by setting up SQL Server and SSMS (SQL Server Management Studio) and then gradually dive into writing and optimizing T-SQL queries. Through practical exercises and real-world scenarios, you will gain the skills needed to work confidently with SQL databases.What You Will LearnIntroduction to SQL & SQL Server - Understand what SQL is, how relational databases work, and why SQL Server is a powerful database management system.Setting Up SQL Server & SSMS - Install, configure, and connect to Microsoft SQL Server and SQL Server Management Studio (SSMS) for running queries.Performing CRUD Operations - Learn how to Create, Read, Update, and Delete (CRUD) data in a SQL database.Writing T-SQL Queries - Execute basic to advanced T-SQL statements to retrieve and manipulate data efficiently.Working with Table Joins - Use INNER, LEFT, RIGHT, and FULL OUTER JOINS to combine data from multiple tables.Database Normalization - Understand database design principles to structure data efficiently and eliminate redundancy.Handling NULL Values & Case Expressions - Manage missing data and apply logical conditions within queries.Using Aggregate Functions - Perform calculations using AVG, SUM, MAX, MIN, and COUNT to analyze and summarize data.Managing User Accounts & Permissions - Set up user roles, access control, and security within SQL Server.Optimizing Queries for Performance - Learn best practices for writing efficient SQL queries to improve database performance.Who Is This Course For?This course is designed for:Beginners in SQL & Database Management - No prior experience required.Aspiring Data Analysts & Business Intelligence Professionals - Gain the skills to query and analyze data.Software Developers & IT Professionals - Learn how to integrate SQL queries into applications.Students & Business Professionals - Understand how to retrieve and manipulate data for reporting and decision-making.Why Take This Course?Beginner-Friendly, Step-by-Step Approach - No prior SQL experience needed.Hands-on Exercises & Real-World Projects - Learn by writing real queries on SQL Server databases.Practical, Job-Ready Skills - Develop the SQL skills employers demand.Strong Foundation for Advanced Topics - Prepare yourself for learning stored procedures, functions, and database optimization.By the end of this course, you will confidently write and optimize SQL queries, preparing you for real-world database tasks in any industry that relies on data management and analysis.