Примери коришћења Primary key на Енглеском и њихови преводи на Српски
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Primary Key and Unique Key are two unique keys that determine how the data should be stored in the system.
Here, the value 4 was changed to 8, the"Cost Center" field was set as a primary key, and a new field("Phone") was added.
Note that some RDBMS require explicitly marking primary key columns as NOT NULL.
This master password functions as the primary key for using and managing all other saved credentials in the service.
A foreign key represents the value of primary key for a related table.
Primary Key and Unique Key are two types of keys that determine how the data is stored in the system.
A foreign key should be of the same type as the primary key of the table to which it is relating.
A strong entity always has the primary key in the set of attributes that describes the strong entity.
The Columns in the referencing table must be the primary key or other candidate key in the referenced table.
A primary key cannot allow null
Each SIM has a unique identifier called an IMSI which is the primary key to each HLR record.
a table can have many unique keys but at most one primary key.
Each SIM has a unique identifier called an IMSI which is the primary key to each Home Location Register record.
a table may have arbitrarily many unique keys but at most one primary key.
by placing FICHA as name, MSLINK(capitalized) in the primary key and an alias, in this case FC.
Primary keys are defined in the ANSI SQL Standard, through the PRIMARY KEY constraint.
This rule is essentially a restatement of the fundamental requirement for primary keys.
Primary Keys and Unique Keys are essential concepts that are primarily used in Microsoft SQL Server.
Primary keys were added to the SQL standard mainly as a convenience to the application programmer.