Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask DBMS Expert


Home >> DBMS

Question: 1. What is an entity supertype, and why is it used?

2. What kinds of data would you store in an entity subtype?

3. What is a specialization hierarchy?

4. What is a subtype discriminator? Give an example of its use.

DBMS, Programming

  • Category:- DBMS
  • Reference No.:- M92337762

Have any Question?


Related Questions in DBMS

Databases assignment - monash library services monlib case

Databases Assignment - Monash Library Services (MonLib) Case Study TASK 1: Data Definition For this task you are required to complete the following: 1.1 - Add to your solutions script, the CREATE TABLE and CONSTRAINT def ...

Tableau is business intelligence software that helps people

Tableau is business intelligence software that helps people see and understand their data. Fast Analytics Connect and visualize your data in minutes. Tableau is 10 to 100x faster than existing solutions. Ease of Use Anyo ...

We can represent a data set as a collection of object nodes

We can represent a data set as a collection of object nodes and a collection of attribute nodes, where there is a link between each object and each attribute, and where the weight of that link is the value of the object ...

This is a starting out with visual basic programming

This is a starting out with visual basic programming problem, meaning its a basic programming nothing advanced. Question: Add a linq statement to the combo box text-changed event to dispaly the city field of the selected ...

Instructionsfor decades relational databases remained

Instructions For decades, relational databases remained essentially unchanged; data was segmented into specific chunks for columns, slots, and repositories, also called structured data. However, in this Internet of Thing ...

The groceries datasetimagine 10000 receipts sitting on your

The groceries Dataset Imagine 10000 receipts sitting on your table. Each receipt represents a transaction with items that were purchased. The receipt is a representation of stuff that went into a customer's basket. That ...

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_ ...

Question 1 unified communications system eg email

Question: 1. Unified Communications System (e.g., email, conferencing, and messaging) - The local area network is slower than needed, especially for newer, cloud-based applications. The email system needs refurbishment a ...

Sql query assignment -for this assignment you are to write

SQL Query Assignment - For this assignment you are to write your answers in a word document. This assignment is in three parts: Part A (reporting queries), Part B (query performance), Part C (query design). For this assi ...

In sql developer onlydeliverables include sql scripts and

In SQL Developer ONLY! Deliverables Include SQL scripts and screenshot of the results: D1. Create the following three user-defined roles that are shown in the table below and assign them the specified permissions for the ...

  • 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