Most of the content on the site is for intermediate to experienced developers who work regularly with MySQL. Many of them cover news updates about MySQL, and some even offer assistance for experienced developers. Intermediate to experienced coders only. They cover the gamut of topics from backing up your database, to various tutorials and guides.
Most of the content relates to keeping your database healthy and up to speed, as the name implies. It will explain what the language is, what you can do with it, and how to use it. Then it moves on to more advanced topics like deleting and updating database records, advanced queries, and working with an SQL interpreter. H Scripts is a free online tutorials outlet, and their MySQL section is dedicated specifically for beginners.
The entire course is comprised of ten different sections, each of which is made up of several lessons.
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The name of this website pretty much tells you everything you need to know about it. Pinal Dave is an experienced Pluralsight developer with over 11 years of work under his belt. This blog is a great place to learn MySQL from beginner to advanced topics. Some of the material has been written in another language and is translated via Google Translate, so it can get a bit dicey at times. There are 33 lessons in total, covering all the way from basic to advanced topics. Each lesson is about three to seven minutes in length, and the instructor is personable and easy to follow.
Prior experience is definitely necessary, so intermediate coders will find this resource most helpful. This free online course will teach you MySQL database development through a series of multiple choice tests. Give it a try if you prefer to learn by example. This video course on Learntoprogram.
SQL Tutorial - An Ultimate Guide for Beginners
It goes without saying, the course is for beginner to intermediate coders. As the title suggests, you can learn the ins and outs of the software in under an hour. The video lessons are delivered in quick, bite-sized increments, and no prior coding experience is needed. In fact, some beginners may find the material on this site more relatable and clear-cut. Give it a try. This course for beginners will introduce you to MySQL and get you into dev shape. There are six different quizzes you can take on the subject, with additional quizzes on SQL.
Tahaghoghi and Hugh Williams published in You should be able to find at least one website or resource on this list that will help you get more familiar with MySQL. Although this site recommends various training services, our top recommendation is Treehouse. Treehouse is an online training service that teaches web design, web development and app development with videos, quizzes and interactive coding exercises. Treehouse's mission is to bring technology education to those who can't get it, and is committed to helping its students find jobs.
If you're looking to turn coding into your career, you should consider Treehouse. Read our full review of Treehouse…. Regardless, I only recommend products or services I use personally and believe will add value to my readers. Eduonix learning Solutions is the premier training and skill development organization which provided me the best learning and training environment.
CRUD operations to a database table are other very basic data manipulation operations. So, we need to learn how to do them. Once the table is created, it is the time to insert records into it. To do this, it is necessary to know exactly which types the columns of the table are. For this example, we will use the same table that we have created before. The basic syntax to create a record with the insert statement is as the following:.
Once the data has been saved, it is time to read it. The statement is select. The basic syntax is as follows:.
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However, it is usually required to set a condition to read the data we need. For example, if I wanted to read all the fields where the id is 1, I would use the following statement:. You may have inserted an incorrect data so you need to update it.
To do this, we need to use the Update statement. First, you need to know which record needs to be updated, it is necessary to add a small condition.
The 50 Best Websites to Learn MySQL
Otherwise, all records will be updated. So you need to be careful. If you want to delete records, you can use the delete statement. Also, you have to use a condition to know which record to delete. For example, if you want to delete a record whose Id has a value of 1, the statement would be as follows:. It is a great advantage if we want to move a database to a new server. After that, we can start importing the file with the following command as the root user:.
Note that it is necessary to write the full path where the SQL file is located. You can check the results using the ls command :. Also, remember that this command must be run by the root user of the system or use sudo. Finally, it is possible to choose the path of the output file. It is a very useful and agile tool. Making a backup is similar to exporting a database as we have seen before.
Learning the Basic Steps of MySQL
However, it is also possible with this tool to make a backup of all existing databases. When developing independent applications, the names of the tables are usually a problem. By default, MySQL is case sensitive in table names. To make this change, it is necessary to add a directive in the MySQL configuration file.
First, stop the MySQL service. After this, edit the following specific configuration file. So open it with root user permissions:. If we use CentOS, the path will be different. And that is enough. You can create tables with upper and lower case and MySQL will treat them the same way. Log files are sequential records of all events related to a particular program or system service.
It is very important to check them from time to time in search for any abnormal behaviors in the execution of the program. So, if you have a table with duplicate values, then you can use this statement to list distinct values. This statement is used to sort the desired results in ascending or descending order. By default, the results would be sorted in ascending order. If you want the records in the result-set in descending order, then use the DESC keyword. This statement is used with the aggregate functions to group the result-set by one or more columns.
The AND operator is used to filter records that rely on more than one condition. This operator is an inclusive operator, which selects values numbers, texts or dates within a given range. The mentioned below are the two wildcards that are used in conjunction with the LIKE operator:. Refer to the following table for the various patterns that you can mention with LIKE operator.
Consider the below syntax:. Nested queries are those queries which have an outer query and inner subquery. Refer to the image below:. JOINS are used to combine rows from two or more tables, based on a related column between those tables. The following are the types of joins:. Let's consider the below table apart from the Infostudents table, to understand the syntax of joins. You can refer to the image below to understand the set operations in SQL.
Now, that you guys know the DML commadsn.
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This section consists of those commands which are used to control privileges in the database. This command is used to provide user access privileges or other privileges for the database. This section of commands mainly deals with the transaction of the database. So, with this command, you can simply roll the transaction back to a certain point without rolling back the entire transaction.
We have seen the different commands that will help you write queries and play around with your databases. See the original article here.
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