Home
Earn $100 Online Daily. Work From Home. Click Here

What is the correct answer?

4

Which of the following is not a consequence of concurrent operations?

A. Lost update problem.

B. Update anomaly.

C. Unrepeatable read.

D. Dirty read.

Related Questions

In multiple granularity of locks SIX lock is compatible with Which of the following is not a consequence of non-normalized database? By ______ an area on disk in certain ways, one can make it represent a… The _______ is a set of programs to use and / or modify this data. Consider the join of relation R with a relation S. If R has m tuples and… Dependency preservation is not guaranteed in _____ First proposed the process of normalization. Maximum height of a B+ tree of order m with n key values is Which of the following is not a recovery technique? The clause alter table in SQL can be used to Which of the following relational algebra operations do not require the… A list consists of last names, first names, addresses and pin codes. If… The set of all values that can be taken by the attribute is called as… The fact that all employees of a particular organization should not have… In an ER diagram the ___shape specifies the Attibute and a ____ shape… Use of UNIQUE while defining an attribute of a table in SQL means that… Wait-for graph is used for DBMS is a collection of _____ that enables user to create and maintain… The common column is eliminated in Which of the following is a reason to model data? Which one is true statement : An advantage of views is The concept of mapping of ______ entity types is the concept in which… The default level of consistency in SQL is For correct behaviour during recovery, undo and redo operation must be In an E-R, Y is the dominant entity and X is a subordinate entity. Then… Data independence means Cascading rollback is avoided in all protocol except The division operator divides a dividend A of degree m+n by a divisor… HSAM stands for ……….