A database link is a pointer in the local database that lets you access objects on a remote database. To create a private database link,
Category: DBMS
What is Lost Update Problem in DBMS?
In a schedule, if update performed by transaction T1 on data item ‘X’ gets overwritten by the update performed by transaction T2 on same data
Serial Schedules, Concurrent Schedules and Conflict Operations
A schedule is the representation of execution sequence for all the instructions of the transactions. Schedules are categorized in two types: Serial Schedules Concurrent Schedules
Concurrent Execution in Transaction | DBMS
Transaction-processing systems usually allow multiple transactions to run concurrently. Allowing multiple transactions to update data concurrently causes several complications with consistency of the data. Ensuring
Difference between Normalization and Normal Forms
Normalization: Normalization is the systematic process applied on the relations to reduce the degree of redundancy. Normalization is defined as systematic because it always gives
Implementation of Atomicity and Durability using Shadow Copy
The recovery-management component of a database system can support atomicity and durability by a variety of schemes. Here we are going to learn about one of
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