Data integrity, constraints

Data integrity, constraints
p60,61,67
FGAC : role based on User, Tables
Column-level Primary Key Constraints
CREATE TABLE table
(
Columname1 datatype(sizevalue) [CONSTRAINT constrainname] PRIMARY KEY,
Columname2datatype(sizevalue),
Columname3datatype(sizevalue)
)

Table-level Primary Key Constraints
CREATE TABLE table
(
Columname1 datatype(sizevalue),
Columname2datatype(sizevalue),
Columname3datatype(sizevalue)
[CONSTRAINT constrainname] PRIMARY KEY (Columname1)

)