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primary is a key that allows us to unlock mobaj31 and also it is used to open a bra when to open girls nitche.....

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What key defines a relationship between two tables 1 Primary key 2 Secondary key 3 Foreign key?

Foreign key is used to define a relationship between two tables by referencing the primary key of another table. It ensures data integrity and enforces referential integrity between the related tables.


What is the difference between a primary key and a foreign key?

A primary key uniquely identifies each record in a table and ensures data integrity. A foreign key establishes a relationship between two tables, referencing the primary key of another table to enforce referential integrity.


What is the difference between a Primary Key and a Secondary Key?

A Primary Key is a unique identifier for each record in a database table and is used to enforce entity integrity. A Secondary Key is a non-unique index that is used for querying and organizing data efficiently but does not have the constraint of uniqueness.


What is a difference between primary and secondary resources?

Primary sources are ones that has a proof or things that has to be told or speak about your proof.While Secondary sources is the opposite of the primary source it like things that are not true, made another one, errors, or telling wrong proof. -Sr. Ariston


What is difference between primary key and foreign key?

A primary key is an attribute (or combination of attributes) that uniquely identifies each row in a relation. A primary key is designated by underlining the attribute name. The primary key of an entity set allows us to distinguish among the various entities of the set. A foreign key is an attribute in a relation of database that serves as the primary key of another relation in the same database.

Related Questions

differentiate between primary, secondary and tertiary tillage?

i have no idea soo sorry


Differentiate between primary and secondary data?

Secondary data is collected by someone other than the researcher, such as census information. Primary data is collected first hand, such as interviews.


How can one differentiate between primary and secondary sources?

Primary sources are firsthand accounts or original documents from the time period being studied, while secondary sources are interpretations or analyses of primary sources by scholars or historians.


Similarities between primary and secondary research?

what is the similarities between primary and secondary data


The difference between primary and secondary reserves?

what are the diffrence between primary reserve and secondary reserve?


How do you differentiate between primary and secondary minerals?

Primary minerals are original, directly formed during the crystallization of molten rock or magma, such as quartz and feldspar. Secondary minerals form through weathering and alteration of primary minerals, usually in the presence of water and air, such as clay minerals and various oxides.


Identify the difference between primary sector and secondary?

Identify the difference between primary sector and secondary sector


What does chromic acid test and lucas test indicate?

The chromic acid test is used to identify the presence of primary or secondary alcohols by observing a color change from orange to green or blue. The Lucas test is used to differentiate between primary, secondary, and tertiary alcohols by observing the formation of an alkyl chloride precipitate.


What is the difference between primary and secondary cell?

Primary can't be recharged, secondary can be recharged.


What determines the voltage that is transferred from the primary to the secondary winding?

The turns ratio between the primary and the secondary.


What key defines a relationship between two tables 1 Primary key 2 Secondary key 3 Foreign key?

Foreign key is used to define a relationship between two tables by referencing the primary key of another table. It ensures data integrity and enforces referential integrity between the related tables.


What is the difference between primary ans secondary industry?

secondary is cooler