add primary key to existing table sql
alter table Persion add primary key (persionId,Pname,PMID)add primary key to existing table sql
alter table Persion add primary key (persionId,Pname,PMID)add primary key to existing table sql
ALTER TABLE `tblauto`
ADD PRIMARY KEY (`id`);
--sql server add primary key to existing table with data
ALTER TABLE Production.TransactionHistoryArchive
ADD CONSTRAINT PK_TransactionHistoryArchive_TransactionID PRIMARY KEY CLUSTERED (TransactionID);Copyright © 2021 Codeinu
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