Pergunta de entrevista da empresa FIS
Explain differences between primary key and unique key
Resposta da entrevista
Sigiloso
8 de fev. de 2019
Primary key not having null value.. unique key support 1null value.. both not support for duplication
1
Explain differences between primary key and unique key
Sigiloso
Primary key not having null value.. unique key support 1null value.. both not support for duplication