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How will you add a primary key to a relation? -

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प्रश्न

How will you add a primary key to a relation?

विकल्प

  • 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

उत्तर

Alter table table_name add primary key(column_name);

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SQL for Data Definition
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