About Domain-Specific Language (DML)

This is an article about DML (Domain-Specific Language).

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

SQL

SQL is a language for manipulating data in a database management system (DBMS), and DML is one of SQL’s sublanguages.

DML is used to retrieve, insert, modify, and delete data.

Now let’s learn more about DML.

DML

DML is used to manipulate the contents of a database.

Major DML commands include SELECT, INSERT, UPDATE, and DELETE.

You can use these commands to manipulate data and achieve desired results.

SELECT

SELECT statement is used to retrieve data from the database.

You can select the data you want from a specific table and filter it according to your desired conditions.

The SELECT statement is mainly used to read data from a database, and the desired information can be obtained from the results.

INSERT

INSERT statement is used to insert new data into the database.

You can add new records to a specific table and insert data by specifying values for each column.

You can register new information in the database by adding data using the INSERT statement.

UPDATE

The UPDATE statement is used to modify existing data in the database.

You can select the desired record from a specific table and update the value of that record.

You can update the contents of a database by modifying data using the UPDATE statement.

DELETE

DELETE statement is used to delete specific data from the database.

You can select and delete records that meet the desired criteria from a specific table.

You can remove unnecessary information from a database by deleting data using the DELETE statement.

DML provides powerful capabilities to manipulate the contents of a database to retrieve the data you need, insert new data, or modify and delete data.

DML allows database users to manipulate data flexibly and achieve desired results.

summary

DML is a set of commands for retrieving, inserting, modifying, and deleting data, and plays an important role in manipulating the contents of a database.