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What are called jukebox systems? Jukebox systems have a few drives and numerous disks that can be loaded into single of the drives automatically.
can you please explain with the help of suitable example the difference between conflict equivalence and conflict serializability?
The External or View Level The external or view level is the highest level of abstraction of database. It gives a window on the conceptual view, which permits the user to see
User error : This contains errors in the program (e.g., Logical errors) with errors made by online users of database. These types of errors can be avoided by applying some check
What is database Trigger? A database trigger is a PL/SQL block that can explained to automatically execute for insert, update, and delete statements against a table. The trigge
what is check point in database management system
Removing a Synonym: DROP SYNONYM D30;
How external/conceptual mapping and conceptual /internal mapping is performed
Give detail description on Transactions. - Using transactions we can group all SQL commands into a single unit. - Transaction begins with some task and finishes only when a
What are the storage types? The storage types are: a) Volatile storage b) Nonvolatile storage
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