Answers for "alter table add key sql server"

alter table add key sql server

ALTER TABLE Persons
ADD CONSTRAINT PK_Person PRIMARY KEY (ID,LastName);

Posted by: Guest on January-26-2021

primary key in sql

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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