How to create data table command in mysql

In MySQL, you can use the CREATE TABLE statement to create a data table, specifying the table name, column name, data type and constraints. Specific steps include: 1. Connect to the MySQL database; 2. Use the CREATE TABLE statement to create a data table.

MySQL Create Data Table Command

In MySQL, you can use theCREATE TABLEstatement to create a data table. The syntax of this statement is as follows:

CREATE TABLE table_name ( column_name1 data_type [constraints], column_name2 data_type [constraints], ... );

Parameter description:

• table_name:Data table name.
• column_name:Data table column name.
• data_type:Data type, such asINT,VARCHAR,DECIMAL, etc.
• constraints:Column constraints, such asNOT NULL,UNIQUE,PRIMARY KEY, etc.

Example:

The following statement creates a data table namedusers, which containsid,nameandemailColumns:

CREATE TABLE users ( id INT NOT NULL AUTO_INCREMENT, name VARCHAR(255) NOT NULL, email VARCHAR(255) UNIQUE );

Description:

• ##NOT NULLConstraint Indicates that the column cannot be aNULLvalue.
• AUTO_INCREMENTThe constraint indicates that theidcolumn will automatically generate a unique value.
• UNIQUEThe constraint means that the values in theemailcolumn must be unique.

Detailed field type:

Connect to the MySQL database.

Use the
1. CREATE TABLE
statement to create a data table.
2. Specify table name, column name, data type and constraints.

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