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!
What are the Constituents of File? Also elaborates all the possible file operations?
A file is organised logically as sequence of record. These records are mapped onto disk blocks. Although blocks are of fixed size denoted through the physical properties of the disk and through the operating system, record sizes vary. In a relational database, tuples of distinct relations are commonly of different sizes.
Possible operations on a file: (i) Create: a file can be created (ii) Delete: a file can be deleted (iii) Changing attributes of a file: The attributes of a file say read only, author's name etc. can be changed. (iv) Contents of the file can be altered.
What is a view? Make a view of EMP table named DEPT 20, to display the employees in department 20 and their annual salary. Ans: View is a virtual table that does not consist
If one requires to access data using Logical Database , the use of events is unavoidable. Yes, if someone wants to access data using Logical database then the use of events
Define object-relational systems? Systems that give object-oriented extensions to relational systems are known as object-relational systems.
For your chosen project, you need to identify the current problem that you wish your project to solve. Produce a Problem Statement. The Problem Statement should explain the purpo
Explain the Strategy of Database Planning ?
What is called block-level striping? Block level striping stripes blocks across many disks. It treats the array of disks as a large disk, and provides blocks logical numbers
Name the various privileges in SQL? A) Delete B) Select C) Insert D) Update
This project will involve designing and creating a database for an organization. In the design of a database, there is no single "perfect" design. So your database design may not
entity relationship diagram about finance
A domain is a set of permissible values that can be given to an attribute. So each attribute in a table has a definite domain. Values to these attributes cannot be assigned outside
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