Web Engineering 2: Database Management Quiz

Log-Based Recovery = Recovery of a database using transaction logs Deferred Database Modification = Logs are written to stable storage and database is updated when a transaction commits Immediate Database Modification = Database is updated immediately upon transaction execution Concurrency Control = Managing simultaneous access to the database by multiple transactions

Log 1 = Transaction initiation, writes 'START' log Log 2 = Transaction modification of address from 'Cairo' to 'Aswan' Log 3 = Indicates the completion of the transaction Log 4 = Example of log-based recovery

Remote Backup = Storing a copy of the database at a remote location for disaster recovery Database Administration = Overall management and control of the database system Deferred and Immediate Modification = Methods of creating log files and updating the database Concurrency Control = Ensuring that transactions execute in isolation or in a controlled manner

<p>Recovery with Concurrent Transactions = Recovering a database while multiple transactions are being executed concurrently Failure Classification = Categorizing different types of failures that can occur in a database system Checkpoint = A point in the transaction log at which all data is guaranteed to be consistent if recovery is needed Database Queries = Retrieving specific information from a database</p> Signup and view all the answers

<p>Module 3 Managing Multi-User Web Database 2 = Focuses on managing databases for multi-user web applications Client-side scripting for web applications = Using scripting languages like JavaScript to enhance user experience on web browsers Database Recovery Failure Classification = Categorizing different types of failures that can occur during database recovery Database Security Database Administration = Managing security measures and overall control of the database system</p> Signup and view all the answers