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 Log Based Recovery Method?
The system log that is generally written on stable storage consists of the redundant data required to recover from volatile storage failures and as well from errors discovered by the transaction or the database system. System log is as well known as log and has sometimes been known as the DBMS journal. In case of system crash the log is processed from the starting to the point where system crashes. Every transaction, those have been recorded their-of-transaction marker, will be committed if not rolled back. The simplicity and very easy to use the main benefits of this method.
The drawback are:
(A) Inefficient for the application, which have large volume of information,
(b) In case of system crash along with loss of volatile information, the log information collected in buffers will as well be lost and transaction that had been completed for some period prior to the system crash might be missing their relevant end-of-transaction markers in the log; if such transactions are rolled back then similarly to be partially undone.
What are composite objects? Objects that have other objects are known as complex objects or composite objects.
In a job interview with a branch manager of a bank that operates in multiple Canadian provinces and the Yukon, you learn that all of the information is captured in real time in a s
What types of adjustments are required to increase chances of inheritance. a) Some attributes can be added or ignored in the base class operation b) Some changes can be
The functions of DBA ?
Discuss the differences among the candidate keys and the primary key of a relation. Give instance to describe your answer? A candidate key is one that can be used as primary ke
Describe the tools that are available for managing MySQL Server. Given below are the tools to manage MySQL server: mysqld - MySQL server daemon. This is used to begain t
INSERT INTO command : Values can be inserted for all columns or for the selected columns Values can be given by sub query. In place of values parameter substitution
Which language has presently become the defacto standard for interfacing application programs along with relational database system? The language which has recently become the
Define the notation for classes and atrributes The notation for class, attribute, and operations are shown below: Figure: Class with attributes and operations A
1. Item based services will be charged fixed prices, and time-based will be charged variably depending on time. Such as per hour. Item-based: Fixed, pedicure, waxing, threading, fa
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: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd