What is concurrency in db2?

Answer Posted / vasuki🐍

Concurrency is the ability of more than one application process to access the same data at essentially the same time.
However, DB2 use locks to control concurrency to prevent lost updates and such possibly undesirable effects as unrepeatable reads and access to uncommitted data.
locks ensure that no process accesses data that has been changed, but not yet committed,

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Why do we use cursor?

599


what is the responsibility of the construction superintendent

1664


Is it possible to alter a table – for example adding a column, when another user is accessing or updating some columns?

630


What os does db2 run on?

572


What is the maximum size of varchar data type in db2?

645






How do you stop a db2 database in linux?

568


What does reorg do in db2?

578


Explain in detail about buffer manager and its functionalities?

564


What is lock escalation in db2?

574


List down the data types in the db2 database.

634


How many databases are there?

592


How to find the number of rows in db2 tables?

617


What do you mean by between and in? Is between inclusive of specified range values?

668


In an sql table that is embedded, what is the procedure to retrieve rows that are part of a db2 table?

644


What does db2 mean?

588