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what is Storage-Device Hierarchy question
WOUND-WAIT
explain in detail about time stamp orderting/
Domain Constraint It shows that each attribute in a relation has to contain an atomic value only from the corresponding domains. The data types associated with commercial RDBMS
In an E-R diagram how attributes are represented ? In an E-R diagram attributes are represented in a ellipse.
Explain Growing Phase of locking Growing Phase: In this phase the transaction can only obtain locks, but cannot release any lock. The transaction enters the growing phase as so
Write a query to define tables students and teachers as sub tables of people? Create table students of student under people Create table teachers of teacher under people
Multilevel Indexing Scheme Consider the indexing scheme where the address of the block is consider in the index for each record, for a little file, this index would be little a
Representing complex relationship among data A database may contain varieties of data interrelated to each other in numerous ways. A DBMS must have the capability to represent
What are the storage types? The storage types are: a) Volatile storage b) Nonvolatile storage
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