Answer Posted / g.arun
Dirty read - Changes made during a Transaction is 'visible'
to other parties
Non Repeatable Read -
if Transcation T1 reads a row and Transcation T2 changes
the same row,when T1 rereads and sees the changes made by
T2.Then this is Non - Repeatable Read
Phantom Read - If Transcation T1 retrieves a bunch of
rows.Transcation T2 inserts a row,T1 rereads the query and
if T1 see the additional row,it is a ghost row to T1 then
this is called as Phantom Read
| Is This Answer Correct ? | 10 Yes | 5 No |
Post New Answer View All Answers
Explain about the interpreter in java?
Java openings 3 - 5 years, Lnt Infotech. requirements - core java, J2ee, struts, hibernate Interview Date:- 19 March 2011 Time:- 9:00 AM to 12:00 Pm Interview Location - L & T Infotech, Manapakkam, Chennai Refererral PS NO:- 291649 (Please mention this when u fill the form only then u will be considered for interview) Documents Required:- Latest Resume, Photograph and last 3 payslips Mail me on vasan2211@gmail.com once u appear for interview
Can a constructor be private and how are this() and super() method used with constructor?
What are the drawbacks of singleton class?
What is cr keyboard?
What is 16 bits called?
Explain what do you mean by functional overloading in java?
What’s the difference between unit, integration and functional testing?
What do you mean by ordered and sorted in collections in java?
What is import java util arraylist?
how to know the total memory occupied by the objects in the ArrayList(Array list may contain duplicate objects)
What is primitive data type in java?
Is array size fixed in java?
Name few "optional" classes introduced with java 8 ?
What are accessor methods in java?
