Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
How is the database organised in Oracle?
Database organized within Oracle in terms of table and table holds attributes and values.
A database consists of one or more logical units known as table spaces. Each table space within turn, consists of one or more physical structures known as data files. These might be either, files managed through the operating system or raw devices.
Oracle database consists of subsequent table spaces.
(i) System (ii) Table spaces to store user data (iii) Temporary table spaces.
The space in table space is separated into units, called segments, that each contains data for a specific data structure. These are four kinds of segments:
(i) Data segments (ii) Index segments (iii) Temporary segments (iv) Rollback segments
Sub query in the UPDATE command : Example : //Double the commission for employees, who have got at least 2 increments. UPDATE EMP SET COMM = COMM * 2 WHERE
construct an er diagram for a hospital with a set of patients and a set of medical doctors. associate with each patient a log of various test and examination conducted.convert er d
(a) Why did SAP introduce the extended star schema?
er diagram of sport
Creating a view: A query can be embedded within the CREATE VIEW STATEMENT A query can have complex select statements containing join, groups and sub- queries A quer
Define what Immediate database modification technique uses? Ans: Both undo and redo.
What is Relational Algebra? Relational algebra is a Procedural query Language?
What are the various states through which a transaction passes through in its lifetime? Briefly discuss all the events that causes transition from one state to another. Ans:
what is physical data structure
What are the authentication modes in SQL Server? How can it be changed? Windows mode and Mixed Mode - SQL and Windows. To alter authentication mode in SQL Server click Start, P
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!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd