inrdbms
concurrency control in DBMS
Concurrency control in DBMS https://www.youtube.com/watch?v=3riIEJqrroo&t=10s Introduction of Concurrency Control (Concurrency Meaning- parallelism) Concurrency control is the procedure in DBMS for managing simultaneous( parallel ) operations without conflicting with each other. Concurrency control is used to address such conflicts which mostly occur wi…
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inrdbms
Operations and states of Transaction in DBMS
Operations of Transaction: The main operations of the transaction: Read(X) : Read operation is used to read the value of X from the database and store it in a buffer in the main memory. Write(X) : Write operation is used to write or update the value back to the database from the buffer. Example:- Debit transaction from an account : 1. R(X); 2. X = X - 500; …
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