wht is mean by dirty read?
Answer / 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 |
Why do we need data serialization?
What are the new features in java 8? Explain
What is "this" keyword in java? Explain
How many bits is a string in java?
What is the main function in java?
What is the difference between the continue and break statement?
Need 2+ yrs experienced java techinical question papaer for company Iflex
How to reduce flicking in animation?
What is the major difference between linkedlist and arraylist?
What is volatile keyword in java
What is a line break?
What is namespace in java?