Short Overview: You can have NULL values in any column in your table, except for primary key columns. MySQL CREATE TABLE products ( product_id INT, product_name varchar(25), price DECIMAL(4, 2)
The Not Null And Unique Constraints Sql -
You can have NULL values in any column in your table, except for primary key columns. MySQL CREATE TABLE products ( product_id INT, product_name varchar(25), price DECIMAL(4, 2)
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- You can have NULL values in any column in your table, except for primary key columns.
- MySQL CREATE TABLE products ( product_id INT, product_name varchar(25), price DECIMAL(4, 2)
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