Pergunta de entrevista da empresa UST
what is the use of primary key in sql
Resposta da entrevista
Sigiloso
9 de set. de 2019
primary key will have at table level and coloum level which every id will accept unique and no null values will be allowed
what is the use of primary key in sql
Sigiloso
primary key will have at table level and coloum level which every id will accept unique and no null values will be allowed