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!
Explain the Role of a database administrator
a. Defining the Schema
The DBA describes the schema which consists of the structure of the data in the application.
The DBA defines what data needs to be present in the system ad how this data has to be denoted and organized.
b. Liaising with Users
The DBA wants to interact continuously with the users to understand the data in the system and its employ.
c. Defining Security & Integrity Checks
The DBA finds out about the access restrictions to be defined and demonstrates security checks accordingly. Data Integrity checks are as well defined by the DBA.
d. Defining Backup / Recovery Procedures
The DBA as well defines processes for backup and recovery. Defining backup procedures involves specifying what data is to backed up, the periodicity of taking backups and as well the medium and storage place for the backup data.
E. Monitoring Performance
The DBA has to incessantly check the performance of the queries and take measures to optimize all the queries in the application.
Question : (a) Explain with the help of appropriate examples the difference between ‘Data' and ‘Information'. (b) A digital image is an array of pixels, where each pixel h
I need a professional to prepare a database to collect and store basic information. The information can be basic info such as contact details etc. One requirement i have is f
QUESTION (a) Give two advantages of using Linked List as compared to arrays. (b) (i) You are working as programmer at the Orange Mauritius branch. You have been asked to cre
Consider the relations described below: PHYSICIAN (regno, name, telno, city) PATIENT (pname, street, city) VISIT (pname, regno, date_of_visit, fee) Where the regno and pname ide
What is the difference between the function module and a normal ABAP/4 subroutine? In contrast to normal subroutines function modules have uniquely exact interface. Declaring da
what is cascading? what is rollback cascading? please explain in detail
Q. Explain data aggregatio n and discuss different design constraints. Sol. Aggregation One limitation of the E-R model is that it cannot express relationships amon
1. Create a subroutine that does the remote blast on the file protein.fa. 2. Pass that returned files from the blast to another subroutine that parses the output and sends it to
Use again the GE Flight Quest Data and build on the work done for homework 1 and 2. The goal is to create a classification model which classifies flights into "on-time" (you can de
How do I begin
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