what is a primary key? Explain with the help of an example.
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A key which uniquely identifies a record is known as primary key
Suppose you have created a database. In the database under names field you have define a primary key and after defining it u are making a table in which u have enter a same name two times then it will ask you to change the name
Suppose you have created a database. In the database under names field you have define a primary key and after defining it u are making a table in which u have enter a same name two times then it will ask you to change the name
shikha10:
ohkk I will try to answer
nice wait
what are the TWO areas of design view?
one is the upper area which consists of columns and rows
and the lower area is divided into 2 sections
The left section is made of two tabs labeled General and Lookup. Each tab contains two columns and various rows.
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ur wlcm
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a primary key is aunique key whicjh prevents your data getting repeated twise in a record
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