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.
Process of normalization is the integral part of designing a database. Justify this statement with suitable database design
Define a job scheduling strategy that will meet business requirement of reporting availability by 6am CST for the following cubes? Show the job scheduling dependencies in a pictori
Explain Interfaces for parametric Users? Interfaces for Parametric Users - Parametric users, such as bank tellers, frequent have a little set of operations in which they must p
What is a candidate key? Minimal super keys are known as candidate keys.
File Manager File manager handles the allocation of space on disk storage. It starts and maintains the list of structures and indices described in the internal schema that is
wh
Entities Let us first be aware of the question: What are entities? An entity is an object of concern used to show the things in the actual world, e.g., table, car, bo
What is the max. no. Of structures that can be included in a table or structure. Nine.
List the table modification commands in SQL? A) Deletion B) Updates C) Insertion D) Update of a view
Backward Recovery (UNDO): In this system the uncommitted changes made by a transaction to a database are undone. Instead the system is reset to the last consistent state of databa
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