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What does the cardinality ratio specify?
Mapping cardinalities or cardinality ratios state the number of entities to which another entity can be associated. Mapping cardinalities must be one of the following:
One to one
One to many
Many to one
Many to many
compare the features of oracle RDBMS with MySQL and Microsoft SQL server
Describe the different RAID levels. Discuss the choices of the different RAID levels for different applications. Ans: There are several combinations of these approa
Consider a typical sales invoice that would include the following information. Design a single table to hold all of the information required to store an invoice including this info
What subschema expresses ? A subschema expresses the external view. (External schemas are called also called as subschemas)
Describe the shadow paging technique.
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
need to get answer for questions 3&4 on this page in part 1
State the meaning of Object Representation The term object representation means "to represent object with the help of objects model symbols". Implementing objects is too simp
intent locking
Define canonical cover? A canonical cover Fc for F is a set of dependencies like F logically implies all dependencies in FC and Fc logically shows all dependencies in F.
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