Python MySQL Create Table

Python MySQL Create Table

Creating a Table

To create a table in MySQL, use the “CREATE TABLE” statement.

Make sure you define the name of the database when you create the connection

Example

Create a table named “customers”:

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If the above code was executed with no errors, you have now successfully created a table.


Check if Table Exists

You can check if a table exist by listing all tables in your database with the “SHOW TABLES” statement:

Example

Return a list of your system’s databases:

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When creating a table, you should also create a column with a unique key for each record.

This can be done by defining a PRIMARY KEY.

We use the statement “INT AUTO_INCREMENT PRIMARY KEY” which will insert a unique number for each record. Starting at 1, and increased by one for each record.

Example

Create primary key when creating the table:

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If the table already exists, use the ALTER TABLE keyword:

Example

Create primary key on an existing table:

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