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

What is the correct answer?

4

Isolation of the transactions is ensured by

A. Transaction management

B. Application programmer

C. Concurrency control

D. Recovery management

Related Questions

For using a specific database …………… command… Relational Algebra is Which of the following is not a characteristic of a relational database… The fact that all employees of a particular organization should not have… The ______ language consists of SQL statements for operating on the data… The set of all values that can be taken by the attribute is called as… Which of the following is not a consequence of non-normalized database? Processed data is called _____ DFD stands for A _____ is a logical unit of database processing that includes one or… In SQL the word natural can be used with A table can have only one If an entity can belong to only one lower level entity then the constraint… In SQL the statement select * from R, S is equivalent to According to the levels of abstraction, the schema at the intermediate… Which of the following is not a consequence of concurrent operations? Immediate database modification technique uses Which of the following is not a logical database structure? Key to represent relationship between tables is called ____specifies a search condition for a group or an aggregate. _____ is a utility to capture a continuous record of server activity and… The full form of GUI is _________ Use of UNIQUE while defining an attribute of a table in SQL means that… The ______ key of a relation is the attribute (column) or collection of… If the closure of an attribute set is the entire relation then the attribute… A list consists of last names, first names, addresses and pin codes. If… A relational database developer refers to a record as A DBMS is a ____ user if at most one user can use the system and is mostly… E-R Modeling is achieved by using ____ diagrams As per equivalence rules for query transformation, selection operation…