DML commands in ms access sql
Автор: COMPUTER & EXCEL SOLUTION
Загружено: 2025-06-22
Просмотров: 248
Описание:
DML (Data Manipulation Language) commands in SQL are used to manage and manipulate data stored in database tables. They allow you to retrieve, insert, update, and delete data.
🔹 Short Description of DML Commands:
SELECT – Retrieves data from one or more tables.
Example: SELECT * FROM Employees;
INSERT – Adds new records to a table.
Example: INSERT INTO Employees (Name, Age) VALUES ('John', 30);
UPDATE – Modifies existing data in a table.
Example: UPDATE Employees SET Age = 31 WHERE Name = 'John';
DELETE – Removes data from a table.
Example: DELETE FROM Employees WHERE Name = 'John';
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