In MySQL, there are so many commands that you need to master to implement the most difficult statements in the real world. Understanding the tricky is always necessary to improve the speed when writing commands.
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Creating new databases in MySQL
After designing the database that based on some standard rules such as 1NF, 2NF, 3NF, 3.5NF, 4NF, you will have a schema about relationship between each table.
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Three sum to Zero
Use Scanner in Java correctly
There are so many ways to process with standard I/O or files. But using scanner is useful for breaking down input into tokens and translating token according to their data type.
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How to use collections in Java's Multithreading
In this article, we will learn how to use concurrent collections in Java.
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