मराठी

Can we insert two records with the same roll number?

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प्रश्न

Can we insert two records with the same roll number?

अति संक्षिप्त उत्तर
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उत्तर

No, two records with the same RollNumber cannot be inserted if RollNumber is defined as a PRIMARY KEY, because a primary key must contain unique values for each record.

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पाठ 8: Introduction to Structured Query Language (SQL) - Intext Questions [पृष्ठ १५९]

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एनसीईआरटी Informatics Practices [English] Class 11
पाठ 8 Introduction to Structured Query Language (SQL)
Intext Questions | Q 14. | पृष्ठ १५९
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