Relational Database Management System Mcqs
Page No. 51
✓
✖
✖
✖
The _________ requires each transaction executes in two or three different phases in its lifetime
✓
✖
✖
✖
Which of the following transactions can multiversion two phase locking protocol not differentiate.
✖
✖
✖
✓
In ________ no two aborts occur unless two concurrent transactions update the same data item.
✖
✖
✖
✓
State true or false: Snapshot isolation has low overhead
✓
✖
✖
✖
Oracle uses __________ for the serializable isolation level
✖
✖
✖
✓
✖
✖
✖
✓
Under ________ the system uses locking mechanism that applies only to updates
✓
✖
✖
✖
State true or false: Snapshot isolation prevents lost updates
✓
✖
✖
✖
If the first update is overwritten by a second, it is called as a _______ update
✖
✖
Here below You find all kind of categories of MCQs in alphabetical order.
"Discover an extensive collection of multiple-choice questions (MCQs) neatly categorized by subject from A to Z. This resource is designed for anyone eager to explore various topics in a straightforward and organized manner. Whether you're a student preparing for exams, an educator seeking supplementary materials, or simply curious about different subjects, this compilation offers a convenient way to learn and assess your knowledge. With questions arranged alphabetically, navigation is effortless, allowing you to delve into subjects of interest at your own pace. Engage, learn, and expand your understanding with this accessible and comprehensive repository of MCQs!"
bolpakistan.com.pk includes Job Mcqs and Pak Mcqs is the Top Largest Mcqs Forum in World, in which you can read Mcqs of All Subjects, PPSC test preparation, FPSC, NTS and PPSC PAST PAPERS, PPSC PAST MCQS. A Collection of Repeated MCQs for JOBs seekers.
Copyright © 2024, Designed & Developed by BolPakistan