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所在平台: Udemy |
课程主页: https://www.udemy.com/course/sql-course/
课程评论：没有评论
Coursera SQL入门课程2024：SQL快速入门 本课程旨在帮助您掌握PostgreSQL及提升数据查询技能。通过真实案例和挑战性练习，您将学习： * 使用航空公司数据库查询真实数据 * 在PostgreSQL中安装和创建表 * 理解SELECT语句、WHERE子句和运算符 * 掌握GROUP BY、HAVING和聚合查询等进阶技巧 * 处理SQL中的时间和日期数据 学习SQL的优势： * SQL是一种声明性语言，非IT专业人士也可独立查询数据。 * 学习SQL有助于培养数据思维，这在当今数据驱动的世界中至关重要。 * PostgreSQL是免费、开源且功能强大的关系型数据库，其SQL实现接近标准，知识具有可迁移性。 * 掌握PostgreSQL将极大提升您的职业竞争力，吸引招聘人员关注，并开启新的职业机会。 课程强调，即使在开发遇到瓶颈时，SQL也能提供思路，是应对实际问题的重要工具。关系型数据库仍是行业主力，PostgreSQL在其中的地位举足轻重，您的学习成果将适用于多种SQL数据库。学习SQL不仅能锻炼大脑，更能为您的职业生涯带来无限可能。
Looking to master PostgreSQL and improve your data querying skills? Look no further than this comprehensive course!Through real-world examples and challenging exercises, you'll learn everything you need to know about PostgreSQL, including:- Using the Airlines Database to query real-world data- Installing and creating tables in PostgreSQL- Understanding SELECT statements, WHERE clauses, and operators- Advanced techniques like GROUP BY, HAVING, and Aggregation Queries- Handling time and date data in SQLBut why bother learning SQL in the first place? For starters, SQL is a declarative language that enables non-IT professionals to query data without needing to ask a programmer for help. By learning SQL, you'll develop new mental models for thinking about data, which is a powerful skill in today's data-driven world.Plus, PostgreSQL is free, open, and unlimited, making it the perfect tool to learn about relational databases. It has exhaustive and detailed documentation, and its advanced implementation of SQL is very close to the SQL standard, making your knowledge transferable to other SQL databases.But perhaps the most compelling reason to learn SQL is its relevance to today's job market. Having PostgreSQL knowledge on your resume and online profile can make you a highly attractive candidate to recruiters, opening up new career opportunities and possibilities for advancement.So what are you waiting for? Enroll in this course today and take your PostgreSQL skills to the next level!May also be the ultimate reply when your development stalls - which isn't precisely comforting, but a lot better than knowing there is no viable answer.Relational databases are nonetheless the workhorses of the laptop industry. PostgreSQL has an advanced implementation of SQL and is very close to the SQL standard. So your know-how would be of use as it is transferable, so different SQL databases are reachable to you.It's correct for your thought - and your career!Still want convincing that gaining knowledge of SQL is worth it? Well, in addition to developing new neural pathways in your brain, it could do wonders for your profession possibilities as it will make you a applicable candidate. Having "PostgreSQL knowledge" in your CV and on-line profile will almost clearly attract the attention of recruiters.
