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What is a Phantom Deadlock?
In distributed deadlock detection, the delay in propagating local information might cause the deadlock detection algorithms to recognize deadlocks that do not really exist. Such situations are called phantom deadlocks and they lead to unnecessary aborts.
explain the steps for reduction of er model into relational model?
Illustrate different types of Locks in SQL Server. There are three kinds of locks in SQL Server i.) Shared locks - These are used for operations which don't allow any update
how to make an e r diagram?
Scenario 1: Power goes out after the first instruction. What happens?
The technique of converting the state diagram to code a) Identify all major control paths. Start from initial state; choose a path across the diagram that corresponds to normal
The physical location of a record is determined by which mathematical formula that transforms a file key into a record location? The physical location of a record is determined
Data Definition Language It organises the data in the form of columns and rows. But what does the data field column of table accumulate? How do you describe it using SQL? Th
Physical Records These are the records that are stored in the secondary storage devices. For the database relation, physical records are the group of fields kept in adjacent me
explain three types of internet risks to the consummers whent he business system is data dependent. how can we minimise these risks
Which is a valid SQL type? A valid SQL Should be in CHARACTER it is should be NUMERIC and FLOAT.
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