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Explain how the concept of data retrieval is used in computer systems.
Generate successful SQL single-table queries for data retrieval.
Apply data analysis techniques to devise a query that answers a request.
In this course you’ll learn how to effectively retrieve data from a relational database table using the SQL language. We all know that most computer systems rely on at least one database to store data. Your tax information is stored in the database used by the Internal Revenue Service. Your phone stores your contacts’ names, addresses, email addresses, and phone numbers in a database. If you shop online, you’re viewing photos, descriptions, and prices of products that are stored in a database. Database designers go to great lengths to design databases so that the data can be stored securely and in an organized format. It’s important to note that the main reason they go to all that work is so that we can get the data back out again when we need it! That’s called “data retrieval”. Data is retrieved or read from a relational database by using a language called SQL to query (or question) the database. SQL is referred to as “the language of relational databases”. It can be used by itself or embedded in programs to retrieve data. Once the data is retrieved, it can be displayed on a web page or PC application, or even printed on paper. You’ll be practicing writing SQL queries using SQLiteStudio. Next time you go online and look up the daily special at your favorite restaurant, you can think about the fact that it’s likely that an SQL query was used behind the scenes to fetch that data and pop it up on your screen. By the end of this course, you’ll even have a pretty good idea what the query might have looked like! 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.
Database (DBMS)
Problem Solving
Sql Commands
SQLiteStudio
In a video that plays in a split-screen with your work area, your instructor will walk you through these steps:
Your First Query
The SELECT Clause
The ORDER BY Clause
The WHERE Clause
The Combination WHERE Clause
Great Analysis Makes a Great Query
Saving and Reusing Queries
Your workspace is a cloud desktop right in your browser, no download required
In a split-screen video, your instructor guides you step-by-step
by AP
Jul 28, 2020it's too simple and easy to understand concept on select, where and order clause
by MH
Feb 9, 2023Amazing project, if you're learning sql do take it.
by SA
Oct 20, 2020Good Hands On project to learn details of SQL Select statement using SQLLite.
by RG
Jun 4, 2020Thanks for this course, this encourages me to do more SQL projects.
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Yes, everything you need to complete your Guided Project will be available in a cloud desktop that is available in your browser.
You'll learn by doing through completing tasks in a split-screen environment directly in your browser. On the left side of the screen, you'll complete the task in your workspace. On the right side of the screen, you'll watch an instructor walk you through the project, step-by-step.
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