why use create table in mysql code example

Example 1: create table in mysql

# updated dec 2020
# Creates a Simple User table
# Uses an auto-incrementing primary key as userId 

CREATE TABLE user (
    userId INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
    username VARCHAR(100),
    password VARCHAR(100) 
) ENGINE=InnoDB;

Example 2: how to create a table structure from another table in mysql

CREATE TABLE new_tbl LIKE orig_tbl;  //(creates an empty table only definition is
                                        same.)

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