What is SQL command and its types?

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SQL commands are instructions.It is used to communicate with the database.It is also used to perform specific tasks, functions, and queries of data. SQL can perform various tasks like create a table, add data to tables, drop the table, modify the table, set permission for users.

What are the 4 major types of command types in SQL?

These SQL commands are mainly categorized into four categories as:DDL – Data Definition Language.DQl – Data Query Language.DML – Data Manipulation Language.DCL – Data Control Language.

What is SQL command?

SQL commands are the instructions used to communicate with a database to perform tasks, functions, and queries with data. SQL commands can be used to search the database and to do other functions like creating tables, adding data to tables, modifying data, and dropping tables.

What are the 3 types of SQL?

The lists in the following sections provide a functional summary of SQL statements and are divided into these categories: Data Definition Language (DDL) Statements. Data Manipulation Language (DML) Statements.

What are the 5 basic SQL commands?

Some of The Most Important SQL CommandsSELECT - extracts data from a database.UPDATE - updates data in a database.DELETE - deletes data from a database.INSERT INTO - inserts new data into a database.CREATE DATABASE - creates a new database.ALTER DATABASE - modifies a database.CREATE TABLE - creates a new table.

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