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Question
How will you add a primary key to a relation?
Options
Alter table table_name add primary_key;
Alter table table_name add primary key(column_name);
Add primary key(column_name) alter table table_name;
Alter table table_name add primary_key(column_name);
MCQ
Solution
Alter table table_name add primary key(column_name);
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SQL for Data Definition
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