Cache and Raid performance. One of the key limitations of spinning disk hardware is the use of a physical reading armature and the time this takes to move across the surface of a diskâs platter to the required data blocks.
Constraints are part of a database schema definition. A constraint is usually associated with a table and is created with a CREATE CONSTRAINT or CREATE ASSERTION SQL statement. They define certain properties that data in a database must comply with.
Integrity Constraints in a SQL database deals with Data Integrity. Data Integrity in a SQL database can be achieve by setting up Integrity Constraints which ensures accuracy and consistency of data in a relational database.