DBMS contraints
not null, unique, primarykey, foreign key,check,default,AUTO_INCREMENT,
Composite Key Constraint-A primary key that consists of more than one column.
CREATE TABLE EmployeeProject (
EmployeeID INT,
ProjectID INT,
PRIMARY KEY (EmployeeID, ProjectID)
);
Combines more than one column to form a primary key.
DBMS contraints not null, unique, primarykey, foreign key,check,default,AUTO_INCREMENT, Composite Key Constraint-A primary key that consists of more than one column. CREATE TABLE EmployeeProject ( EmployeeID INT, ProjectID INT, PRIMARY KEY (EmployeeID, ProjectID) ); Combines more than one column to form a primary key.