Starvation in DBMS Starvation or Livelock is the situation when a transaction has to wait for an indefinite period of time to acquire a lock. Reasons for Starvation – · If the waiting scheme for locked items is unfair. ( priority queue ) · Victim selection. (the same transaction is selected as a victim repeatedly ) · Resource leak. · Via denial-of-…
Read moreConcurrency Control techniques in DBMS Multiple transactions executing at the same time on the same data may affect the result of the transaction. In order to maintain concurrent access to transactions, different protocols are introduced. Lock Based Protocol Time-Stamp Based Protocol Validation Based Protocol Validation…
Read moreConcurrency Control techniques in DBMS Multiple transactions executing at the same time on the same data, it may affect the result of the transaction. In order to maintain the concurrent access of transactions, different protocols are introduced. Lock Based Protocol Time-Stamp Based Protocol Validation Based Protocol Ti…
Read moreConcurrency Control techniques in DBMS Multiple transactions executing at the same time on the same data, it may affect the result of the transaction. In order to maintain the concurrent access of transactions, different protocols are introduced. Lock Based Protocol Time-Stamp Based Protocol Validation Based Protocol …
Read moreWorking with files in PHP File simply a resource for storing information on a computer. store information:- Configuration settings of a program Simple data ex. contacts. Images, Pictures, Photos, etc. PHP File Formats Support: a wide range of file formats that include; File.txt File.log File.custom_extension i.e. fi…
Read more
Social Plugin