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What is deadlock?
Neither of the transaction can ever proceed with its normal implementation. This situation is known as deadlock.
Define the basic operations of the relational algebra? Ans: Basic operators of relational algebra are: 1. Union (∪) - Selects tuples which are in either P or Q or in bot
how to write tables and drow E-R diagrams for hosiptal management system and how to normalize and cardinalities?
What are the uses of the information in the Data dictionary? The following information is directly taken from the Data dictionary: Information on fields displayed with
Question 1 Explain the concept of database recovery management. Explain the different levels of backup used for recovering data Question 2 What are the different types of par
What is trigger Triggers are statements that are implemented automatically by the system as the side effect of a change to the database.
Lost Updates : Suppose the two transactions T3 and T4 run simultaneously and they happen to be interleaved in the following way (suppose the initial value of X as 10000):
sir, could anybody help me in getting complete information about the mentioned topic
Describe the term- State Diagram State Diagram: An object could receive a sequence of the input instructions. The state of the object can differ depending upon sequence of in
The functions of DBA ?
What is a function group? A function group is a collection of logically related modules that share global data with every other. All the modules in the group are contained in
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