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What is meant by log-based recovery? The most widely used structures for recording database changes is the log. The log is a sequence of log records, recording all the update a
What is the meaning of Recovery? In deferred update methods, if a transaction fails before arriving its commit point, it will not have altered the database in any way, so UNDO
Design an algorithm to implement operations Each and every operation specified in the functional model could be formulated as an algorithm. The algorithm indicates how operat
The Database MySQL scripts cars_for_sale.sql and car_details.sql containing the data to use for this task have been supplied. To complete this task, you need to first create
Explain the conventions (relationships) for displaying an ER schema as an ER diagram.
Question: Using the data model express the following queries in SQL. (a) Create the Table named "Cinema" and make the cinema_code to be the primary key of the relation and
explain in detail about crash recovery
What is storage manager? A storage manager is a program module that gives the interface between the Low level data kept in a database and the application programs
what are information system hirarchy?
In case of entity integrity, the primary key may be declared? In a case of entity integrity primary key may be not Null.
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