Constraints in DBMS are rules enforced on data columns to maintain integrity and accuracy. They limit the type and range of values allowed in a table, ensuring data consistency. Examples include NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, and CHECK constraints. They prevent invalid data entries and establish relationships between tables, crucial for a reliable database For more info visit- https://www.patreon.com/c/TpointTech234?redirect=true Address- G-13, 2nd Floor, Sec-3, Noida, UP, 201301, India Contact-+91-9599086977