2024-07-08
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Table of contents
1. Briefly describe database paging
2. Briefly describe the aggregate functions in SQL
3. Briefly describe how tables are related
4. Brief description of outer join
5. Briefly describe the left and right joins of the database
I have devoted myself to the research of technology for more than 30 years. I am proficient in various languages such as Java, Linux, JavaScript, PHP, CSS, etc. I have made many contributions in the field of open source. I have established a developer documentation site to share some problems in technology development for everyone to read.
