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The field that uniquely identifies a record in a table is called?
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∙ 13y ago
primary key
Wiki User
∙ 13y ago
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In a database a field that uniquely identifies a particular record in a table is called?
In a database, a field that uniquely identifies a particular record in a table is called
What is the field that uniquely identifies each record in a table?
Primary key is the field that uniquely identifies each record in a table. It ensures that each record in a table is unique, and helps to establish relationships between tables in a database.
Differentiate between primary secondary and foreign keys?
Primary key uniquely identifies each record in a database table and must have a unique value for each record. Secondary key is a field that can be used to uniquely identify a record, but it is not the primary key. Foreign key is a field in a table that links to the primary key of another table, establishing a relationship between the two tables.
What is primary key in information system?
A primary key is a unique identifier for each record in a database table. It ensures that each record can be uniquely identified and helps maintain data integrity by preventing duplicate records. The primary key is used to establish relationships between tables in a relational database.
What is used to unique identify each record in a database?
A primary key is used to uniquely identify each record in a database. It is a special type of field that serves as a unique identifier for each row in a table.
In a database a field that uniquely identifies a particular record in a table is called?
In a database, a field that uniquely identifies a particular record in a table is called
What is A field that uniquely identifies a particular record in a table called?
A field that uniquely identifies a particular record in a table is called a primary key. The field or fields on which records are sorted is called the sort key.
What is the field that uniquely identifies each record in a table?
Primary key is the field that uniquely identifies each record in a table. It ensures that each record in a table is unique, and helps to establish relationships between tables in a database.
What is a field that is chosen to uniquely identify a record called?
A field that is chosen to uniquely identify a record is called a primary key. This key helps uniquely identify each record in a database table and ensure data integrity.
What field makes the best primary key?
The field or combination of fields, the latter is called a composite key, which uniquely identifies a record. Often people use an integer automatically assigned at record creation, however, if possible it is best, to try for a field which is a unique attribute of the entity a table is describing.
Why is a field with an AutoNumber data type a good candidate for the primary key field for that table?
Because it uniquely identifies each record in that table, No two records can have the exact same entry in the field designated as the primary key.
What field identifies each record in a field?
check
Can a primary key field uniquely identify each record?
Yes it can do that.
What is used to uniquely identify a record in a database program?
index field
In a data base the primary key field is used to?
uniquely identify a record
Differentiate between primary secondary and foreign keys?
Primary key uniquely identifies each record in a database table and must have a unique value for each record. Secondary key is a field that can be used to uniquely identify a record, but it is not the primary key. Foreign key is a field in a table that links to the primary key of another table, establishing a relationship between the two tables.
Is the primary key a field that uniquely identifies each record?
A unique key is used to enforce uniqueness of each row in a table. A unique key comprises a single column or a set of columns. No two distinct rows in a table can have the same value (or combination of values) in those columns. A primary key is simply a NOT NULL unique constraint. Table can have only one primary key, but many unique keys.
