Free download sql tutorials

It can be integrated with another programming language to develop the application that leverages the data stored in the database. It consists of several keywords like Delete, Insert, Where, Into and so on which contributes to the data processing.

The developer can choose the keywords accordingly to make the application that produces the desired result or output. It can also be considered as a crucial part of any application that needs to interact with the backend.

The commands written in SQL works on the backend or the database to process the data in the required way. Some of the real-life examples where SQL plays a vital role are while logging in, SQL used to authenticate the user by matching the username and password with all the entries in the database. Also, when we submit data through the form on any website, it needs SQL command to get the information stored in the database, and similar to this, there is a lot of places where SQL can be used to make the work easy or to improve the efficiency of the application.

Very informative Foundation Course. This was a very comprehensive and thorough course. I specifically like the overview at the end that shows a hand on connecting to SQL Server This is the first course in a 7 part series that I plan to take to learn SQL and add that to my learning skills as well. I am really happy I decided and purchased this DataBase online certification course. Fantastic Learning Modules! I was able to understand and review details to further understand the fundamentals of SQL, and other business-related modules, that many jobs I have looked into requiring some experience in or certification!

Thank you! This course is a good resource for those who are beginning their journey with SQL or those who wish to view a refresher on the foundational aspects of SQL and database management.

With simple explanations of terms laid out logically, this course builds on itself over time, and I now feel ready to move onto the next phase of learning. I found this course to be very informative. With this foundation training I am planning to get a deeper dive with more courses and enhance my knowledge even further. I look forward to the next classes that I can take. Forgot Password? By signing up, you agree to our Terms of Use and Privacy Policy.

This website or its third-party tools use cookies, which are necessary to its functioning and required to achieve the purposes illustrated in the cookie policy. By closing this banner, scrolling this page, clicking a link or continuing to browse otherwise, you agree to our Privacy Policy. SQL Certification Course. Yes, you get verifiable certificates for each course with a unique link. The course starts with the introduction of SQL which you wee see in the first module. What is the oldest title on Netflix?

We can answer this using the following query. To sort the results in ascending order, we use the keyword ASC following the name of the column to be sorted by. For descending order, the keyword DES is used.

For instance, to quickly find the latest title on Netflix that is available in this dataset, we can use the following syntax. What is the average number of seasons of a TV show not movies on Netflix? The answer is 1. AVG here is but one of the many aggregate functions that can be used to find summary values of the selected rows.

Other examples of useful aggregate functions include:. It groups all the rows with the same director and computes the summation of the duration. Quiz time! How do we modify the query to find the director with the longest screen time? Hint: Look at question 2 for some inspiration. The director with the longest screen time in this dataset is Martin Scorsese, who famously directed the Wolf of Wall Street. What is the distribution of the year of release of Netflix titles?

This question aims to understand the age of the titles on Netflix, and requires us to aggregate and sort our data. To answer this, you might use the following query. We covered a lot of SQL content and examples in this tutorial. Kudos to you for completing it! Sql server tutorial pdf with examples free download. This course is adapted to your level as well as all sql server pdf courses to better enrich your knowledge.

This edition has a built in expiry of 6 months from the time that you install it. When tutorials address a newer feature, they will indicate the minimum version to complete the tutorial. Tutorials for SQL Server Did you know that you can edit SQL content yourself? If you do so, not only do you help improve our documentation, but you also get credited as a contributor to the page.

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