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Hot Backup: Some sites cannot terminate the database while creating a backup copy of the files. The cold backup is not a reliable option. So different kinds of backing up database
write a database program for concurrency transaction in a bank
HOW MANY TYPES OF VIEWS
What are the authentication modes in SQL Server? How can it be changed? Windows mode and Mixed Mode - SQL and Windows. To alter authentication mode in SQL Server click Start, P
Give the reasons for allowing concurrency? The reasons for allowing concurrency is if the transactions run serially, a short transaction might have to wait for a preceding long
Define lock? Lock is the most common used to execute the requirement is to permit a transaction to access a data item only if it is currently holding a lock on that item.
what is Storage-Device Hierarchy question
1. Which model is used to store data in tree structures Ans: Hierarchical model is used to store data in tree structures
how to find entities
Do you have experts of the dbms
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