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!
Define Two phase commit
Two phase commit: To make sure atomicity, all the sites where a transaction is being executed must agree on the final outcome of the execution. The transaction should either commit at all sites or it must abort at all sites. For this very simple protocol is two-phase commit that has the voting phase and the decision phase, within the voting phase the sub-transactions are requested to vote on their willingness to commit/abort. In the decision phase the decision as to if all sub-transactions must commit or abort is made and performed. The transactions at a site interact along with the transaction manager of the site, cooperating in the exchange of messages by which the two -phase commit is executed.
Consider the relations given below Borrower (id_no, name) Book (accno., title, author, borrower_idno) (a) Define the above relations as tables in SQL forming real world assumptio
Outer Join: The use of Outer Join is that it still joins those tuples that do not have matching values in common columns are also contained in the result table. Outer join places
Group By clauses • It is used to group database tuples on the basis of definite common attribute value like as employees of a department. WHERE clause still can be used
Implementation of association as an object Implement as a separate association object, independent of either class, as in Figure. An association object is a group of pairs
Question: (a) What do you meant by content management and briefly describe four major components of a Content Management System? (b) Explain key benefits of a Content Manage
Relationship between Security and Integrity: Database security usually refers to access, while database integrity refers to avoidance of accidental loss of consistency. But usually
Which data manipulation command combines the records from one or more tables ? JOIN data manipulation command combines the records from one or more tables.
Server Control It is usual to control access to the data via the front end application, for example by displaying data as ‘read only'. This part of the assignment illustrates ho
what do you mean by consistency in rdbms?
brief history,definition,current trends and future trends if any of data fragmentation
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