What is a database? It is a software that can help us store and retrieve data. The essential knowledge for many programmers today is database knowledge, among which MySQL is one of the most widely used relational databases. Let’s talk to you about what you need to learn about MySQL?
What do you mainly learn about MySQL database?
You need to learn SQL statements, which are statements to operate the database. When we want to add, delete, check, or modify data, we must execute it through SQL statements. Send the SQL statement to the database to execute it for you, and the execution results will be fed back to your program.
Learn database theory, which is the basis for learning database well.
How to learn MySQL?
1. Practice more on the computer. If you want to master the database proficiently, you must practice on the computer frequently.
Only through computer practice can we have a deep understanding of the use of databases. Usually, the longer a database administrator works, the richer their work experience will be. Many complex problems can be solved based on the database The administrator's experience can be used to solve the problem better. Through computer practice, the database theoretical knowledge learned can be understood more thoroughly.
2. Write SQL statements.
SQL statements are the soul of the database. Many operations in the database are implemented through SQL statements. Only by frequently using SQL statements to operate the data in the database can readers have a deeper understanding of the database. .
3. Database theoretical knowledge cannot be lost.
Database theoretical knowledge is the basis for learning database well. Although theoretical knowledge can be a bit boring, it is the prerequisite for learning database well. For example, database theory will indirectly involve E-R diagrams, database design principles and other knowledge. If you don't understand this knowledge, it will be difficult to design a good database and tables independently. Readers can combine database theoretical knowledge with computer practice to learn, so that the efficiency will be improved
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