MySQL Data Constraints
MySQL helps keep your data accurate by setting rules for what can be stored. These rules, called constraints, prevent invalid entries like missing values or duplicates, ensuring clean and reliable data.
- MySQL NOT NULL
- MySQL UNIQUE
- MySQL Primary Key
- MySQL Foreign Key
- MySQL Composite Key
- MySQL Unique Key
- MySQL Alternate Key
- MySQL CHECK Cons
- MySQL DEFAULT Constraint
MySQL Tutorial
This MySQL Tutorial is made for both beginners and experienced professionals. Whether you’re starting with MYSQL basics or diving into advanced concepts, this free tutorial is the ideal guide to help you learn and understand MYSQL, no matter your skill level.