How Many Primary Keys Can A Table In Database Have Mcq at Jasper Hopper blog

How Many Primary Keys Can A Table In Database Have Mcq. Also, we can create a date variable as a primary key in a table. B) a key that allows duplicate values in a. In sql, a table can have only one primary key, although the primary key can consist of more than one column. A) a key that uniquely identifies each row in a table. You can only have one primary key, but you can have multiple columns in your primary key. Unique key also determines each row of. You can also have unique indexes on your. Primary key of a table can be made based on single column or with combination of multiple columns. In a relational database, an alternate key is any candidate key that is not chosen as the primary key. What is a primary key in a relational database? It uniquely identifies a record in a. A table can have only one primary key.

What Is A Primary Key? Database Tutorial & Example Comp Sci Central
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A table can have only one primary key. You can only have one primary key, but you can have multiple columns in your primary key. You can also have unique indexes on your. Also, we can create a date variable as a primary key in a table. A) a key that uniquely identifies each row in a table. B) a key that allows duplicate values in a. It uniquely identifies a record in a. Primary key of a table can be made based on single column or with combination of multiple columns. What is a primary key in a relational database? Unique key also determines each row of.

What Is A Primary Key? Database Tutorial & Example Comp Sci Central

How Many Primary Keys Can A Table In Database Have Mcq What is a primary key in a relational database? Also, we can create a date variable as a primary key in a table. A) a key that uniquely identifies each row in a table. In a relational database, an alternate key is any candidate key that is not chosen as the primary key. In sql, a table can have only one primary key, although the primary key can consist of more than one column. You can only have one primary key, but you can have multiple columns in your primary key. It uniquely identifies a record in a. What is a primary key in a relational database? Primary key of a table can be made based on single column or with combination of multiple columns. You can also have unique indexes on your. A table can have only one primary key. Unique key also determines each row of. B) a key that allows duplicate values in a.

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