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Whst is logical schema ?
Logical schema is the entire database.
Explain the relevance of Data Dictionary in a Database System? Data dictionary is a database in its own right residing on the disk that consist of Meta data which is = Data abo
How to reduce data redundency
multidimensional data model
Events4Fun is an event management company in Europe with branches in South America as well. The company is well-known for its efficiency, good-quality services, and affordable char
Creating views with check option : This option limits those updates of data values that cause records to go off the view. The following instance tells this in more detail: Examp
#floating point representation is used to store
What are multiple inheritances? Multiple inheritances allow a class to inherit variables and methods from many super classes.
why data in an RDMS need to be normalised
List some instances of collection types? a) sets b) arrays c) multisets
A Structure of a dependency diagram
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