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Order by clause By using this rows can be sorted It is used in the last portion of select statement By default it gets ascending order DESC: is used
write program
List some instances of collection types? a) sets b) arrays c) multisets
What subschema expresses ? A subschema expresses the external view. (External schemas are called also called as subschemas)
non numeric literals
If R1 and R2 are two union compatible relations or functions, then the result of R3 = R1 ∩R2 is the relation that contains all tuples that are in both the relations In other words,
What is known as clustering file organization? In the clustering file organization, records of several dissimilar relations are stored in the similar file.
The Form input elements are: Reporter name text type input Password
Vertical Fragmentation- Vertical fragmentation groups together only those attributes in a relation that are used jointly by various important transactions. A vertical fragment is d
Consider the entity type dependent related to employee entity, which is used to keep track of the dependents of every employee. The attributes of dependents are: name, sex, birth d
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