1. If you have zero foundation and want to learn databases by yourself, I think the book "Database System Concepts" is the first choice at the beginning, because this book is more systematic and comprehensive. It contains relevant content on data models, relational models, object-based databases and XML, data storage and query, transaction management, database system architecture and other aspects. It is quite intuitive and easy to understand, and some of the content uses clearly structured diagrams and examples to replace formal proofs.

2. Then, you need to choose a specific database product to learn, such as the common Access, SQL-Server, MySQL, Oracle, and DB2. There are great differences between different database products. Each database There are classic books corresponding to it, and there are also official introductory documents. You can find it by searching the corresponding database name online. Of course, if you want to get started in a quick way, then watch some videos or some domestic books about XXX from beginner to proficient, mastering XXX in XX days!

3. Most of the common databases nowadays are relational databases. The theory and operation are basically the same. From the perspective of operation and ease of learning, SQL SERVER is relatively easy to get started with. , there are a lot of information and various books on the Internet, but if the amount of data is large and the stability of the database is concerned, Oracle is still stronger. Just choose based on your own situation!

3. In short, learning databases, like learning other computer knowledge, must focus on practice, that is, computer internships. It is a good way to learn some basic concepts of database first, and then use the computer while reading a book. Find some relevant video tutorials online and follow the videos to learn, which will make it easier. The key to learning knowledge is to persevere, so that you can achieve good results.

Database is a warehouse that organizes, stores and manages data according to data structure. It was produced more than sixty years ago. With the development of information technology and market, especially in the twentieth century After the 1990s, data management is no longer just about storing and managing data, but has transformed into various data management methods required by users. There are many types of databases, ranging from the simplest tables that store various data to large database systems that can store massive amounts of data. They are widely used in various aspects.

Reference materials: Database-Baidu Encyclopedia