This is an article about procedures and triggers. hello everyone! Today, we will learn about ‘procedures’ and ‘triggers’, which play important roles in database management....

This is an article about DCL (Domain-Specific Language). hello! This time, we will learn about SQL’s DCL (Domain-Specific Language).

This is an article about DML (Domain-Specific Language). hello! This time, we will learn about SQL’s DML (Domain-Specific Language).

This is an article about DDL (Domain-Specific Language). hello! Today we will learn about DDL (Domain-Specific Language) for SQL.

This is an article about the “Creating the maximum value 1” problem. As I solve coding test problems, I look back on the problems I...