Ask Question
Computers & TechnologyComputers & Technology
8 October, 10:31

What is a primary key? In computer bussiness

+1
Answers (1)
  1. 8 October, 11:17
    0
    It used in a relation database like SQL as a unique identifier for a table in the database. Example school database has a students table which contains a { student_pk, name, gpa} columns with student_pk/student_id being the primary key that other tables can reference the table by.
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “What is a primary key? In computer bussiness ...” 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
You are writing a report about a trip you made to several cities last month. Which of the following paragraph styles would be the best choice for the report's name? a. title b. heading1
Answers (1)
What category of predefined formulas in Excel contains the Boolean functions? a. Recently Used b. Logical c. AutoSum d. Math and Trig
Answers (1)
Which layout manager constructor call would be best-suited to create a telephone handset GUI which has three rows of three keys each with labels, 1,2,3,4,5,6,7,8,9, and a fourth row with labels *, 0, and #? Select one:a. new GridLayout (3,4) b.
Answers (1)
What is a directed graph?
Answers (1)
According to the Credit Card Accountability, Responsibility, and Disclosure Act of 2009, credit cards must now disclose which of the following? A. Phone number for credit counseling services B.
Answers (2)
New Questions in Computers & Technology
Which website should I use to learn coding?
Answers (1)
What is the difference between a learner's license and a driver's license? Name the written test a potential driver must pass and list the minimum required score to earn a learner's license.
Answers (1)
Are websites required to keep logs of visitors by law?
Answers (1)
Recall when you built your binary message sending device. Why did we decide to send a message as a sequence of states (A and B) rather than modifying our devices to represent more states (State C, State D, State E, ...)
Answers (1)
Public-key cryptography can be used for encryption (ElGamal for instance) and key exchange. Furthermore, it has some properties (such as nonrepudiation) which are not offered by secret key cryptography.
Answers (2)
Home » Computers & Technology » What is a primary key? In computer bussiness
Sign Up Forgot Password?