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Coursera Project Network による Retrieve Data with Multiple-Table SQL Queries の受講者のレビューおよびフィードバック

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89件の評価

コースについて

In this course you will be introduced to two methods of writing SQL queries that retrieve data from two or more tables. Since one of the functions of a database is to store data in an organized format, many databases are made up of multiple tables. Often, the data output required from the database is made up of data from more than one table. For example, the data that populates a student transcript might come from the Student, Course, and Section tables. While the Student table may provide the student’s name, the name and number of the course might come from the Course table and the specific grade for that course may come from yet another table. While writing SQL queries in SQLiteStudio, you'll learn the SQL syntax required to join tables together as you develop an understanding of how the relationships among tables come into play. Note: This course works best for learners who are based in the North America region. We’re currently working on providing the same experience in other regions....

人気のレビュー

NP

2020年9月16日

Nice and to the point explanations of the joins mentioned. Good for beginners. Wish they also added Self-Join as well.

GM

2020年7月8日

Instructor presented material in a down to earth fashion which made the material easy to understand.

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2020年9月17日

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