Examplerelational schema for personperson personid integer, Ask an Expert

Programming

Example:

RELATIONAL SCHEMA for PERSON:

PERSON (PERSON_ID: integer, NAME: string, AGE: integer, ADDRESS: String)

RELATION INSTANCE

In this instance, m = 3 and n = 4

PERSON_ID	NAME	AGE	ADDRESS
1	Sanjay Prasad	35	b-4,Modi Nagar
2	Sharad Gupta	30	Pocket 2, Mayur Vihar.
3	Vibhu Datt	36	c-2, New Delhi

Therefore current relation state reflects only the valid tuples that show a particular state of the real world. Though, Null values can be assigned for the cases where the values are missing or unknown.

View complete question

DBMS, Programming

Category:- DBMS
Reference No.:- M9526418

Have any Question?Write your Review or question?

Related Questions in DBMS

Questionsuppose a prolog database exists that gives

Question: Suppose a Prolog database exists that gives information about states and capital cities. Some cities are big, others small. Some states are eastern, others are western. a. Write a query to find all the small ca ...

You are in a real estate business renting apartments to

You are in a real estate business renting apartments to customers. Your job is to define an appropriate schema using SQL DDL in MySQL. The relations are Property(Id, Address, NumberOfUnits), Unit(ApartmentNumber, Propert ...

Question 1 what isdata-manipulation language dml there are

Question: 1. What isData-Manipulation Language (DML)? There are four types of access in DML, explain each one. 2. Assume we have a Library Database consists of the following relations: author(author_id, first_name, last_ ...

Need an expert in the fields of system design to handle

Need an expert in the fields of system design to handle this project This is a system analysis and design project, not a research project. Refer to the list of deliverables in the instructions in the assignment to make s ...

Sqlquery 1 how many products have standard price less than

SQL Query 1. How many products have standard price less than 1000? Query 2: Display all attributes for products made of "Cherry" from Product table w/o referring to column names. Query 3: Display all product names having ...

Data model development and implementationpurpose of the

Data model development and implementation Purpose of the assessment (with ULO Mapping) The purpose of this assignment is to develop data models and map Database System into a standard development environment to gain unde ...

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 ...

Solve the following questions using oracle you are not

Solve the following questions using Oracle. You are not allowed to use the syntax of any DBMS other than Oracle. Make sure to upload an electronic copy of your solution to your CSC335 TRACE folder. Name the file hw4.sql. ...

Query 1 the bookstore has decided to keep track of the

Query 1: The bookstore has decided to keep track of the vendors' information. In order to do this, one new table will be added to the database. The schema for this table, as related to the existing tables, is the followi ...

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

Recent Questions

Ask DBMS Expert