Explain instance and schemas, Database Management System

Assignment Help:

Explain Instance and schemas?

Instances and schemas: Databases changes over time as the information is deleted and inserted. The collection of information stored in database at a particular moment in time is known as Instances and the whole design of database is known as schemas.

Related Discussions:- Explain instance and schemas

Create a view that finds the student name, Section A: Use the following ta...

Section A: Use the following tables to create a database called College. Use SQL commands. Student stuid(primary) lastName firstName

List and also explain the dissimilar stages of ddlc, List and also explain ...

List and also explain the dissimilar stages of DDLC ?

Define a property that is not a property of transactions, Define a property...

Define a property that is not a property of transactions? Ans: Concurrency is not a property of transactions

What are the drawbacks of shadow-paging technique, What are the drawbacks o...

What are the drawbacks of shadow-paging technique? The drawbacks of shadow paging is:- a) Commit Overhead b) Data fragmentation c) Garbage collection

What is called a query evaluation plan, What is called a query evaluation p...

What is called a query evaluation plan? A sequence of primitive operations that can be used to assess a query is a query evaluation plan or a query implementation plan.

Which database level is closest to the users, Which database level is close...

Which database level is closest to the users? External database level is closest to the users.

Normalization assigment, what would go in order patient#, patient name, pat...

what would go in order patient#, patient name, patien address, surgeon#, surgeon name, surgery date, surgery type, drug admin

Define the term- having clause and a where clause, What is the difference ...

What is the difference between a HAVING CLAUSE and a WHERE CLAUSE? HAVING CLAUSE - HAVING CLAUSE is used only with SELECT statement. - It is normally used in a GROUP BY

HRM, is Chipo carrying his baby

is Chipo carrying his baby

Describe disk manager and their work, Describe disk manager and their work?...

Describe disk manager and their work? Disk Manager: Responsible for fetching data regulated through file Manager from disk storage within Main memory and deciding what data to

Write Your Message!

Name

Email id

Message

Verfication Code

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

User Account

All Pages