Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask DBMS Expert


Home >> DBMS

Define NULL value

NULL value NULL means something is unknown. It does NOT mean null (the digit 0). Null is as well employed as attribute value for a particular entity in which attribute is not applicable for example name of child for unmarried.

DBMS, Programming

  • Category:- DBMS
  • Reference No.:- M9543143

Have any Question?


Related Questions in DBMS

The relation memberstudentid organizationid roleid stores

The relation Member(StudentId, OrganizationId, RoleId) stores the membership information of student joining organization. For example, ('S1', 'O2', 'R3') indicates that student with Id 'S1' joined the organization with i ...

Answer the following question explain the difference

Answer the following Question : Explain the difference between a database management system (DBMS) and a database. Are Microsoft Access, SQL Server, and Oracle examples of databases or database management systems (DBMS)?

Question create an erd for the following scenarioa small

Question: Create an ERD for the following scenario. A small company ABC wants a database to keep track of internal company information. Â Given the following information create an ERD. The ABC Company has several departm ...

Question team project submission - submit to the unit 4

Question: Team Project Submission - Submit to the Unit 4 Group Project Area This version of the capstone project assignment is FOR GRADING this week. Submit to the group area the document containing completed Sections On ...

Relational database exerciseyou have been assigned to a new

Relational Database Exercise: You have been assigned to a new development team. A client is requesting a relational database system to manage their present store with the anticipation of adding more stores in the future. ...

Question suppose we have two kinds of doctors hospital

Question : Suppose we have two kinds of doctors: hospital doctors and family physicians. In addition to the doctor's id number, name, specialty, and years of experience, we want to record the hospital name for the hospit ...

Objectivethe objective of this lab is to be familiar with a

OBJECTIVE: The objective of this lab is to be familiar with a process in big data modeling. You're required to produce three big data models using the MS PowerPoint software. This tool is available on UMUC Virtual Deskto ...

This assignment is a continuation of this solution the case

This assignment is a continuation of this solution The case study company has received the first report from its enterprise content management (ECM) consultant and now has a documented list of major content requirements ...

Question 1 describe 1nf 2nf 3nf2 explain why 4nf is a

Question: 1: Describe 1NF, 2NF, 3NF. 2: Explain why 4NF is a normal form more desirable than BCNF. The response must be typed, single spaced, must be in times new roman font (size 12) and must follow the APA format.

The system development team at the xyz company is working

The system development team at the XYZ Company is working on developing a new customer order entry system. In the process of designing the new system, the team has identified the following data entity attributes: Invento ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Why might a bank avoid the use of interest rate swaps even

Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate

Describe the difference between zero coupon bonds and

Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p

Compute the present value of an annuity of 880 per year

Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As

Compute the present value of an 1150 payment made in ten

Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int

Compute the present value of an annuity of 699 per year

Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As