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Pak Job MCQs

Asked in PPSC, FPSC and other one-paper exams (compiled from unofficial resources).

Database Management SystemSQL Basics

When a table is created in a database, which statement is correct regarding its fields?

  1. A.Fields are fixed and cannot be modified once the table is created
  2. B.Fields can be added and deleted as neededCorrect answer
  3. C.Fields can only be added but never deleted
  4. D.Fields can only be deleted but never added

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Quick fact: In a database table, fields can be added and deleted as needed using DDL commands like ALTER TABLE.

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