adspace
Answer Posted / Kaptan Singh
Concurrency control is a technique used in database management systems to allow multiple transactions to execute concurrently while maintaining database consistency. It aims to prevent conflicts and ensure that each transaction sees a valid database state. Techniques include locking, timestamping, and multiversion concurrency control.
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
What are the advantages of database?
i have all the Oracle Certification material from 1z0-001 to 1Z0-643, if required just drop me a mail to: summi4you@yahoo.co.in
Who proposed the relational model?
what is the age limit for groups1 examination
What versions of clipper does netlib support?
How to export data from database and import into another?
What is the difference between case version and decode version?
1. Tell me about your self? 2. Latest Project Introduction? 3. Difference between server jobs and parallel jobs? 4. Seq-Seq Explain its behavior and execution mode and which parallelism technique is used? 5. What is padding characters? 6. Seq-Seq, Seq-Copy-Seq which one is the best and efficient? 7. How many reject links do we have to a transformer? 8. How many reject links to join stage? 9. Difference between join and lookup? 10. How to design PX routine? 11. How can we call job in another job? 12. Difference between batch and sequencer? 13. Which Database is used? 14. What is change capture? Give briefing of that? 15. What is change Code? Explain? 16. How you call UNIX in Ds? 17. How do you call JCL in UNIX? 18. How do you pass the job status of one job to another job? Have designed any job sequencer? 19. How do you find a file in existed directory? 20. How can you call parallel jobs in transformer? 21. Execution of jobs in command line? 22. Tuning of sql queries? 23. What is orchestrating metadata? 24. What are junk dimension? 25. What are the third party tools you are used? 26. What are the system variables you have used?
Have you written applications to retrieve stored images in a table?
Plz send me Oracle Pl/Sql [1z0-147] dumps to this mail? sivakumarr1987@gmail.com
1. What is Container? 2. Tell me about your project? 3. Which container you are used in your project? 4. What is Surrogate key? 5. How you are implemented it? 6. Difference between Server job and Parallel job? 7. What is your Target Database? 8. What is Source System? 9. Difference between Join and Lookup? 10. Are you maintaining historical data? What is the logic used to maintained to historical data? 11. Do you have documents for mapping?
Suppose database is running slow, what will you do?
What are the steps in creating a database?
What is a concurrency problem in dbms?
Is there some bulk load or other way to import a lot of data fast?