Sign In
Ask Question
Computers & Technology
Priscilla
1 February, 21:29
What is the purpose of a primary key?
+4
Answers (
1
)
Nibby
1 February, 23:39
0
Primary key:
A primary key is the collection of field value which persist unique value in the table. The primary key value can be use to represent the entire record throughout the table. In the database, each table only contain one primary key.
The purpose of the primary key is used to implemented the relationship within the two tables in the database. More explicitly the primary key is define as, primary key is "target" that the foreign key can easily referenced. It basically consist multiple attributes in the table.
Comment
Complaint
Link
Know the Answer?
Answer
Not Sure About the Answer?
Get an answer to your question ✅
“What is the purpose of a primary key? ...”
in 📙 Computers & Technology if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers
You Might be Interested in
How to know your pc does not have bluetooth?
Answers (1)
A leased line: Question 17 options: is an electronic proof of identity issued by a certificate authority. is a software VPN. is a hardware VPN. allows communication between one site to another.
Answers (1)
Suppose that the code below is the body of some loop. Given variables x and y write some code that reads a value into the variables, respectively, then prints out the value of x divided by y.
Answers (1)
Which of the following terms describes a product that is designed to meet humans' physical and/or psychological needs?
Answers (2)
You wrote a C application that takes 20 seconds using your desktop processor. An improved C compiler is released that requires only 0.5 as many instructions as the old compiler. The CPI however increased by 1.3.
Answers (1)
New Questions in Computers & Technology
Which of the following is a sign that an article might come from a fake news website?
Answers (1)
In the code num_var = "fifteen", what is the data type of the value?
Answers (2)
How can I use the internet/social media to protect my identity?
Answers (1)
what is the difference between a software package and integrated software
Answers (1)
A chess-playing computer program that routinely calculates all possible outcomes of all possible game moves best illustrates problem solving by means of
Answers (1)
Home
»
Computers & Technology
» What is the purpose of a primary key?
Sign In
Sign Up
Forgot Password?