Answers for "what is the primary key for the table"

create table with primary key

CREATE TABLE student_id
(
Column1 datatype,
Column2 datatype,
Column3 datatype,

PRIMARY KEY (student_id);

Posted by: Guest on August-20-2021

what is primary key

PRIMARY KEY  -- unique identifier for the entire row of record in a table 
             -- can not be null and must be unique

Posted by: Guest on January-07-2021

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