Database Management System Question
Database Management System Question With Answer & Solution
Que. - The DBMS utility, ____________ allows to reconstruct the correct state of database from the backup and history of transactions.
Que. - In the ........... normal form, a composite attribute is converted to individual attributes.
Que. - In RDBMS, Data is presented as a collection of ............
Que. - A .................. normal form, normalization will be needed where all attributes in a relation are not functionally dependent only on the key attribute.
Que. - To select all column from the table the syntax is:
Que. - ____ ensures that once transaction changes are done, they cannot be undone or lost, even in the event of a system failure.
Que. - Deadlocks are possible only when one of the transactions wants to obtain a(n) ____ lock on a data item.
Que. - If several concurrent transactions are executed over the same data set and the second transaction updates the database before the first transaction is finished, the ____ property is violated and the database is no longer consistent.
Que. - A DBMS uses a transaction ____ to keep track of all transactions that update the database
Que. - When a program is abnormally terminated, the equivalent of a ____ command occurs.
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