I/O Constraints
I/O Constraints Constrains that control data insertion and data retrieval speed are known as I/O (Input-Output) constraints. It includes the following constraints. Primary Key Foreign Key Unique Key Not Null Primary KeyRead More…
I/O Constraints Constrains that control data insertion and data retrieval speed are known as I/O (Input-Output) constraints. It includes the following constraints. Primary Key Foreign Key Unique Key Not Null Primary KeyRead More…