Answers for "write a query to add the primary key and foreign key to the respective tables *"

add primary key to existing table sql

alter table Persion add primary key (persionId,Pname,PMID)

Posted by: Guest on February-08-2021

add primary key to existing table sql

ALTER TABLE `tblauto`
  ADD PRIMARY KEY (`id`);

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Posted by: Guest on May-03-2021

Code answers related to "write a query to add the primary key and foreign key to the respective tables *"