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A set of possible data values is called?
A set of possible data values is called as domain.
Locks: Serialisabilty is just a test whether a given interleaved schedule is ok or has a concurrency related trouble. Though, it does not make sure that the interleaved concurrent
What are the storage types? The storage types are: a) Volatile storage b) Nonvolatile storage
create an e-r diagram usuing graphical dipicted software that could theoritically be used in resturant application
List the string operations supported by SQL? 1) Pattern matching Operation 2) Concatenation 3) Extracting character strings 4) Converting among uppercase and lower cas
usecase diagram,activity diagraM,SEQUENCE DIAGRAM
This constraint shows that the key attribute value in each tuple must be unique, i.e., no two tuples have the similar value for the key attribute. This is because the value of the
Database Management Systems 1. Explain SQL Server 2000 Architecture with diagram. 2. Describe Second Normal and Third Normal Form. 3. Explain about query engine and stora
Define Shared locks? Ans: Shared lock: Throughout concurrent execution of transactions, earlier than a transaction can access a data item, it has to obtain a lock on it. Now he
why we fregment at all?
what is stracture of dabms
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