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SQL基础知识
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SQL基础知识
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Learn how to create and query relational databases using SQL in just two hours.
Course
Accompanied at every step with hands-on practice queries, this course teaches you everything you need to know to analyze data using your own SQL code today!
Project
Use your data manipulation skills to perform exploratory data analysis on a dataset around student mental health.
Course
Level up your SQL knowledge and learn to join tables together, apply relational set theory, and work with subqueries.
Course
Master the complex SQL queries necessary to answer a wide variety of data science questions and prepare robust data sets for analysis in PostgreSQL.
Course
Learn how to create queries for analytics and data engineering with window functions, the SQL secret weapon!
Course
Learn the most important PostgreSQL functions for manipulating, processing, and transforming data.
Course
Learn to design databases in SQL to process, store, and organize data in a more efficient way.
Project
Use SQL to explore and analyze GoodThought NGO's database, uncovering key insights from over 13 years of transformative projects.
Skill Assessment
Certification Available
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Industry recognized certifications help you stand out and prove your skills. Prepare for certification by completing this track.
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随时随地通过我们的移动课程和每日 5 分钟编程挑战提升技能。